/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/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 02:02:05,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 02:02:05,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 02:02:05,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 02:02:05,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 02:02:05,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 02:02:05,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 02:02:05,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 02:02:05,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 02:02:05,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 02:02:05,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 02:02:05,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 02:02:05,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 02:02:05,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 02:02:05,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 02:02:05,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 02:02:05,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 02:02:05,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 02:02:05,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 02:02:05,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 02:02:05,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 02:02:05,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 02:02:05,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 02:02:05,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 02:02:05,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 02:02:05,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 02:02:05,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 02:02:05,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 02:02:05,884 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 [2021-08-13 02:02:05,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 02:02:05,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 02:02:05,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 02:02:05,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 02:02:05,916 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 02:02:05,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 02:02:05,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 02:02:05,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 02:02:05,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 02:02:05,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 02:02:05,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 02:02:05,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 02:02:05,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 02:02:05,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 02:02:05,919 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 02:02:05,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 02:02:05,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 02:02:05,920 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 02:02:05,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 02:02:06,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 02:02:06,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 02:02:06,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 02:02:06,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 02:02:06,301 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 02:02:06,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-08-13 02:02:06,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffcb9c7a/8fae4802e0c043bf8852d2f0719af0d4/FLAG8ee37450c [2021-08-13 02:02:07,028 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 02:02:07,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-08-13 02:02:07,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffcb9c7a/8fae4802e0c043bf8852d2f0719af0d4/FLAG8ee37450c [2021-08-13 02:02:07,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffcb9c7a/8fae4802e0c043bf8852d2f0719af0d4 [2021-08-13 02:02:07,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 02:02:07,207 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 02:02:07,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 02:02:07,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 02:02:07,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 02:02:07,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 02:02:07" (1/1) ... [2021-08-13 02:02:07,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f359f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:07, skipping insertion in model container [2021-08-13 02:02:07,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 02:02:07" (1/1) ... [2021-08-13 02:02:07,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 02:02:07,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 02:02:07,425 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 02:02:07,807 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-08-13 02:02:07,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 02:02:07,828 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 02:02:07,838 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 02:02:07,867 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-08-13 02:02:07,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 02:02:08,117 INFO L208 MainTranslator]: Completed translation [2021-08-13 02:02:08,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08 WrapperNode [2021-08-13 02:02:08,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 02:02:08,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 02:02:08,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 02:02:08,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 02:02:08,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 02:02:08,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 02:02:08,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 02:02:08,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 02:02:08,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (1/1) ... [2021-08-13 02:02:08,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 02:02:08,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 02:02:08,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 02:02:08,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 02:02:08,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (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 [2021-08-13 02:02:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 02:02:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 02:02:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 02:02:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 02:02:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-13 02:02:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 02:02:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 02:02:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-13 02:02:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-13 02:02:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 02:02:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 02:02:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 02:02:08,415 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 02:02:08,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 02:02:08,980 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-13 02:02:08,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:02:08 BoogieIcfgContainer [2021-08-13 02:02:08,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 02:02:08,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 02:02:08,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 02:02:08,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 02:02:08,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 02:02:07" (1/3) ... [2021-08-13 02:02:08,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198f22de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:02:08, skipping insertion in model container [2021-08-13 02:02:08,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:02:08" (2/3) ... [2021-08-13 02:02:08,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198f22de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:02:08, skipping insertion in model container [2021-08-13 02:02:08,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:02:08" (3/3) ... [2021-08-13 02:02:08,987 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-08-13 02:02:08,991 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 02:02:08,991 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-13 02:02:08,991 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 02:02:09,015 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,015 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,015 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,015 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,015 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,015 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,025 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,030 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,031 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:02:09,039 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 02:02:09,055 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-13 02:02:09,068 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 02:02:09,068 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 02:02:09,068 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 02:02:09,068 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 02:02:09,069 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 02:02:09,069 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 02:02:09,069 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 02:02:09,069 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 02:02:09,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 162 transitions, 346 flow [2021-08-13 02:02:09,157 INFO L129 PetriNetUnfolder]: 11/202 cut-off events. [2021-08-13 02:02:09,157 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 02:02:09,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 202 events. 11/202 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 337 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 116. Up to 4 conditions per place. [2021-08-13 02:02:09,161 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 162 transitions, 346 flow [2021-08-13 02:02:09,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 150 transitions, 318 flow [2021-08-13 02:02:09,175 INFO L129 PetriNetUnfolder]: 1/38 cut-off events. [2021-08-13 02:02:09,176 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 02:02:09,176 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:09,177 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] [2021-08-13 02:02:09,177 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:09,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:09,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1369970770, now seen corresponding path program 1 times [2021-08-13 02:02:09,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:09,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220774129] [2021-08-13 02:02:09,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:09,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:09,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:02:09,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:09,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:09,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:09,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:09,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:09,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:09,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:09,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220774129] [2021-08-13 02:02:09,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220774129] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:09,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:09,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 02:02:09,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135595059] [2021-08-13 02:02:09,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 02:02:09,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:09,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 02:02:09,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 02:02:09,751 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 162 [2021-08-13 02:02:09,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 150 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2021-08-13 02:02:09,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:09,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 162 [2021-08-13 02:02:09,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:10,010 INFO L129 PetriNetUnfolder]: 362/914 cut-off events. [2021-08-13 02:02:10,011 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-13 02:02:10,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 914 events. 362/914 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4960 event pairs, 216 based on Foata normal form. 20/882 useless extension candidates. Maximal degree in co-relation 1400. Up to 395 conditions per place. [2021-08-13 02:02:10,046 INFO L132 encePairwiseOnDemand]: 140/162 looper letters, 49 selfloop transitions, 17 changer transitions 1/146 dead transitions. [2021-08-13 02:02:10,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 146 transitions, 444 flow [2021-08-13 02:02:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 02:02:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 02:02:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 873 transitions. [2021-08-13 02:02:10,060 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5987654320987654 [2021-08-13 02:02:10,060 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 873 transitions. [2021-08-13 02:02:10,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 873 transitions. [2021-08-13 02:02:10,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:10,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 873 transitions. [2021-08-13 02:02:10,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.0) internal successors, (873), 9 states have internal predecessors, (873), 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) [2021-08-13 02:02:10,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 162.0) internal successors, (1620), 10 states have internal predecessors, (1620), 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) [2021-08-13 02:02:10,078 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 162.0) internal successors, (1620), 10 states have internal predecessors, (1620), 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) [2021-08-13 02:02:10,079 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 1 predicate places. [2021-08-13 02:02:10,080 INFO L482 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 444 flow [2021-08-13 02:02:10,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2021-08-13 02:02:10,080 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:10,080 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] [2021-08-13 02:02:10,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 02:02:10,081 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:10,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:10,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1499060535, now seen corresponding path program 1 times [2021-08-13 02:02:10,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:10,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951246924] [2021-08-13 02:02:10,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:10,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:10,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:10,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:10,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:10,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:10,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:10,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:10,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951246924] [2021-08-13 02:02:10,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951246924] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:10,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:10,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 02:02:10,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602386424] [2021-08-13 02:02:10,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 02:02:10,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:10,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 02:02:10,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 02:02:10,184 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 162 [2021-08-13 02:02:10,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 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) [2021-08-13 02:02:10,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:10,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 162 [2021-08-13 02:02:10,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:10,363 INFO L129 PetriNetUnfolder]: 362/891 cut-off events. [2021-08-13 02:02:10,364 INFO L130 PetriNetUnfolder]: For 81/315 co-relation queries the response was YES. [2021-08-13 02:02:10,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2253 conditions, 891 events. 362/891 cut-off events. For 81/315 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4893 event pairs, 120 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1981. Up to 398 conditions per place. [2021-08-13 02:02:10,371 INFO L132 encePairwiseOnDemand]: 143/162 looper letters, 57 selfloop transitions, 18 changer transitions 1/154 dead transitions. [2021-08-13 02:02:10,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 630 flow [2021-08-13 02:02:10,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 02:02:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 02:02:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 967 transitions. [2021-08-13 02:02:10,378 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5969135802469135 [2021-08-13 02:02:10,379 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 967 transitions. [2021-08-13 02:02:10,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 967 transitions. [2021-08-13 02:02:10,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:10,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 967 transitions. [2021-08-13 02:02:10,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.7) internal successors, (967), 10 states have internal predecessors, (967), 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) [2021-08-13 02:02:10,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 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) [2021-08-13 02:02:10,383 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 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) [2021-08-13 02:02:10,384 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 8 predicate places. [2021-08-13 02:02:10,384 INFO L482 AbstractCegarLoop]: Abstraction has has 156 places, 154 transitions, 630 flow [2021-08-13 02:02:10,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 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) [2021-08-13 02:02:10,384 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:10,385 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] [2021-08-13 02:02:10,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 02:02:10,385 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:10,388 INFO L82 PathProgramCache]: Analyzing trace with hash 709377487, now seen corresponding path program 1 times [2021-08-13 02:02:10,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:10,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364540573] [2021-08-13 02:02:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:10,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:10,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:02:10,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:10,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:10,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:10,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:10,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:10,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:10,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:10,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364540573] [2021-08-13 02:02:10,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364540573] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:10,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:10,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 02:02:10,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595943768] [2021-08-13 02:02:10,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 02:02:10,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:10,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 02:02:10,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 02:02:10,540 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 162 [2021-08-13 02:02:10,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 154 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2021-08-13 02:02:10,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:10,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 162 [2021-08-13 02:02:10,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:10,972 INFO L129 PetriNetUnfolder]: 833/1786 cut-off events. [2021-08-13 02:02:10,972 INFO L130 PetriNetUnfolder]: For 321/513 co-relation queries the response was YES. [2021-08-13 02:02:10,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6100 conditions, 1786 events. 833/1786 cut-off events. For 321/513 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10760 event pairs, 104 based on Foata normal form. 0/1739 useless extension candidates. Maximal degree in co-relation 5765. Up to 882 conditions per place. [2021-08-13 02:02:10,984 INFO L132 encePairwiseOnDemand]: 141/162 looper letters, 113 selfloop transitions, 59 changer transitions 1/251 dead transitions. [2021-08-13 02:02:10,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 251 transitions, 1550 flow [2021-08-13 02:02:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 02:02:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 02:02:10,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1276 transitions. [2021-08-13 02:02:10,988 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6058879392212726 [2021-08-13 02:02:10,988 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1276 transitions. [2021-08-13 02:02:10,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1276 transitions. [2021-08-13 02:02:10,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:10,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1276 transitions. [2021-08-13 02:02:10,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 98.15384615384616) internal successors, (1276), 13 states have internal predecessors, (1276), 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) [2021-08-13 02:02:10,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 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) [2021-08-13 02:02:10,995 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 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) [2021-08-13 02:02:10,996 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 20 predicate places. [2021-08-13 02:02:10,996 INFO L482 AbstractCegarLoop]: Abstraction has has 168 places, 251 transitions, 1550 flow [2021-08-13 02:02:10,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2021-08-13 02:02:10,996 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:10,996 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, 1] [2021-08-13 02:02:10,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 02:02:10,999 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:11,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:11,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1924610094, now seen corresponding path program 1 times [2021-08-13 02:02:11,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:11,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239324660] [2021-08-13 02:02:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:11,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:11,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:11,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:11,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:11,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:11,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:11,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239324660] [2021-08-13 02:02:11,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239324660] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:11,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:11,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 02:02:11,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212059760] [2021-08-13 02:02:11,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 02:02:11,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:11,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 02:02:11,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 02:02:11,114 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 162 [2021-08-13 02:02:11,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 251 transitions, 1550 flow. Second operand has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 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) [2021-08-13 02:02:11,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:11,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 162 [2021-08-13 02:02:11,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:11,542 INFO L129 PetriNetUnfolder]: 1145/2349 cut-off events. [2021-08-13 02:02:11,542 INFO L130 PetriNetUnfolder]: For 848/1220 co-relation queries the response was YES. [2021-08-13 02:02:11,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10229 conditions, 2349 events. 1145/2349 cut-off events. For 848/1220 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14780 event pairs, 109 based on Foata normal form. 47/2334 useless extension candidates. Maximal degree in co-relation 9834. Up to 1195 conditions per place. [2021-08-13 02:02:11,558 INFO L132 encePairwiseOnDemand]: 143/162 looper letters, 123 selfloop transitions, 53 changer transitions 100/354 dead transitions. [2021-08-13 02:02:11,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 354 transitions, 2920 flow [2021-08-13 02:02:11,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 02:02:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 02:02:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1083 transitions. [2021-08-13 02:02:11,561 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6077441077441077 [2021-08-13 02:02:11,561 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1083 transitions. [2021-08-13 02:02:11,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1083 transitions. [2021-08-13 02:02:11,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:11,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1083 transitions. [2021-08-13 02:02:11,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 98.45454545454545) internal successors, (1083), 11 states have internal predecessors, (1083), 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) [2021-08-13 02:02:11,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 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) [2021-08-13 02:02:11,566 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 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) [2021-08-13 02:02:11,566 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 30 predicate places. [2021-08-13 02:02:11,566 INFO L482 AbstractCegarLoop]: Abstraction has has 178 places, 354 transitions, 2920 flow [2021-08-13 02:02:11,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 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) [2021-08-13 02:02:11,566 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:11,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:11,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 02:02:11,567 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:11,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:11,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1545345035, now seen corresponding path program 1 times [2021-08-13 02:02:11,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:11,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074209197] [2021-08-13 02:02:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:11,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:11,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:11,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:11,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:11,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:11,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074209197] [2021-08-13 02:02:11,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074209197] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:11,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:11,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 02:02:11,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129671899] [2021-08-13 02:02:11,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:02:11,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:11,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:02:11,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:02:11,640 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 162 [2021-08-13 02:02:11,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 354 transitions, 2920 flow. Second operand has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 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) [2021-08-13 02:02:11,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:11,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 162 [2021-08-13 02:02:11,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:11,722 INFO L129 PetriNetUnfolder]: 73/343 cut-off events. [2021-08-13 02:02:11,722 INFO L130 PetriNetUnfolder]: For 231/389 co-relation queries the response was YES. [2021-08-13 02:02:11,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 343 events. 73/343 cut-off events. For 231/389 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1166 event pairs, 72 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 699. Up to 155 conditions per place. [2021-08-13 02:02:11,724 INFO L132 encePairwiseOnDemand]: 156/162 looper letters, 5 selfloop transitions, 4 changer transitions 27/142 dead transitions. [2021-08-13 02:02:11,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 142 transitions, 820 flow [2021-08-13 02:02:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 02:02:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 02:02:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 990 transitions. [2021-08-13 02:02:11,726 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.873015873015873 [2021-08-13 02:02:11,726 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 990 transitions. [2021-08-13 02:02:11,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 990 transitions. [2021-08-13 02:02:11,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:11,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 990 transitions. [2021-08-13 02:02:11,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 141.42857142857142) internal successors, (990), 7 states have internal predecessors, (990), 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) [2021-08-13 02:02:11,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 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) [2021-08-13 02:02:11,730 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 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) [2021-08-13 02:02:11,730 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 25 predicate places. [2021-08-13 02:02:11,730 INFO L482 AbstractCegarLoop]: Abstraction has has 173 places, 142 transitions, 820 flow [2021-08-13 02:02:11,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 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) [2021-08-13 02:02:11,731 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:11,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:11,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 02:02:11,731 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:11,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:11,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1042037944, now seen corresponding path program 1 times [2021-08-13 02:02:11,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:11,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361111124] [2021-08-13 02:02:11,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:12,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:12,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:12,063 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-08-13 02:02:12,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:02:12,082 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:12,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:12,093 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:12,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:12,105 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-08-13 02:02:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:12,118 INFO L142 QuantifierPusher]: treesize reduction 15, result has 48.3 percent of original size [2021-08-13 02:02:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:02:12,129 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:02:12,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:12,144 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-08-13 02:02:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:02:12,152 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:12,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:12,163 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:12,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:12,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:12,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:12,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:12,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:12,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361111124] [2021-08-13 02:02:12,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361111124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:12,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:12,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 02:02:12,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213466788] [2021-08-13 02:02:12,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 02:02:12,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:12,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 02:02:12,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-08-13 02:02:12,203 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-13 02:02:12,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 142 transitions, 820 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:12,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:12,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-13 02:02:12,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:13,045 INFO L129 PetriNetUnfolder]: 362/1045 cut-off events. [2021-08-13 02:02:13,046 INFO L130 PetriNetUnfolder]: For 2160/2668 co-relation queries the response was YES. [2021-08-13 02:02:13,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4001 conditions, 1045 events. 362/1045 cut-off events. For 2160/2668 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5640 event pairs, 66 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 2914. Up to 480 conditions per place. [2021-08-13 02:02:13,052 INFO L132 encePairwiseOnDemand]: 132/162 looper letters, 111 selfloop transitions, 33 changer transitions 51/247 dead transitions. [2021-08-13 02:02:13,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 247 transitions, 2072 flow [2021-08-13 02:02:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 02:02:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 02:02:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1478 transitions. [2021-08-13 02:02:13,055 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4801819363222872 [2021-08-13 02:02:13,055 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1478 transitions. [2021-08-13 02:02:13,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1478 transitions. [2021-08-13 02:02:13,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:13,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1478 transitions. [2021-08-13 02:02:13,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.78947368421052) internal successors, (1478), 19 states have internal predecessors, (1478), 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) [2021-08-13 02:02:13,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:02:13,062 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:02:13,062 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 43 predicate places. [2021-08-13 02:02:13,062 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 247 transitions, 2072 flow [2021-08-13 02:02:13,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:13,063 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:13,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:13,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 02:02:13,063 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1911971290, now seen corresponding path program 2 times [2021-08-13 02:02:13,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:13,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558761244] [2021-08-13 02:02:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:13,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:13,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:13,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:02:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:13,239 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-08-13 02:02:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:13,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-13 02:02:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:02:13,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-13 02:02:13,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:13,267 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-13 02:02:13,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:13,276 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-13 02:02:13,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:02:13,287 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 02:02:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:13,301 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:02:13,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:02:13,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:13,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:13,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:13,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:13,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:13,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:13,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:13,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:13,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558761244] [2021-08-13 02:02:13,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558761244] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:13,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:13,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 02:02:13,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843922022] [2021-08-13 02:02:13,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 02:02:13,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:13,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 02:02:13,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-13 02:02:13,391 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-13 02:02:13,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 247 transitions, 2072 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:13,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:13,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-13 02:02:13,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:14,220 INFO L129 PetriNetUnfolder]: 444/1314 cut-off events. [2021-08-13 02:02:14,221 INFO L130 PetriNetUnfolder]: For 3377/4347 co-relation queries the response was YES. [2021-08-13 02:02:14,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6065 conditions, 1314 events. 444/1314 cut-off events. For 3377/4347 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 7848 event pairs, 38 based on Foata normal form. 14/1296 useless extension candidates. Maximal degree in co-relation 4402. Up to 633 conditions per place. [2021-08-13 02:02:14,229 INFO L132 encePairwiseOnDemand]: 135/162 looper letters, 183 selfloop transitions, 37 changer transitions 53/325 dead transitions. [2021-08-13 02:02:14,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 325 transitions, 3398 flow [2021-08-13 02:02:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 02:02:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 02:02:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1371 transitions. [2021-08-13 02:02:14,233 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47016460905349794 [2021-08-13 02:02:14,233 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1371 transitions. [2021-08-13 02:02:14,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1371 transitions. [2021-08-13 02:02:14,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:14,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1371 transitions. [2021-08-13 02:02:14,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 76.16666666666667) internal successors, (1371), 18 states have internal predecessors, (1371), 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) [2021-08-13 02:02:14,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 states have internal predecessors, (3078), 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) [2021-08-13 02:02:14,239 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 states have internal predecessors, (3078), 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) [2021-08-13 02:02:14,240 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 60 predicate places. [2021-08-13 02:02:14,240 INFO L482 AbstractCegarLoop]: Abstraction has has 208 places, 325 transitions, 3398 flow [2021-08-13 02:02:14,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:14,240 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:14,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:14,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 02:02:14,241 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:14,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:14,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1437855584, now seen corresponding path program 3 times [2021-08-13 02:02:14,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:14,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886751702] [2021-08-13 02:02:14,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:14,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:14,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:14,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:02:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:14,397 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-08-13 02:02:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:14,406 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-13 02:02:14,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:02:14,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-13 02:02:14,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:02:14,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-13 02:02:14,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:14,438 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-13 02:02:14,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:02:14,449 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 02:02:14,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:14,464 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:02:14,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:02:14,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:14,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:14,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:14,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:14,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:14,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:14,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:14,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:14,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:14,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886751702] [2021-08-13 02:02:14,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886751702] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:14,526 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:14,526 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 02:02:14,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045011472] [2021-08-13 02:02:14,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 02:02:14,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:14,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 02:02:14,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-13 02:02:14,529 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-13 02:02:14,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 325 transitions, 3398 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:14,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:14,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-13 02:02:14,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:15,433 INFO L129 PetriNetUnfolder]: 445/1380 cut-off events. [2021-08-13 02:02:15,434 INFO L130 PetriNetUnfolder]: For 4517/7135 co-relation queries the response was YES. [2021-08-13 02:02:15,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7416 conditions, 1380 events. 445/1380 cut-off events. For 4517/7135 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8320 event pairs, 38 based on Foata normal form. 44/1389 useless extension candidates. Maximal degree in co-relation 5142. Up to 656 conditions per place. [2021-08-13 02:02:15,443 INFO L132 encePairwiseOnDemand]: 134/162 looper letters, 209 selfloop transitions, 44 changer transitions 67/372 dead transitions. [2021-08-13 02:02:15,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 372 transitions, 4636 flow [2021-08-13 02:02:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 02:02:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 02:02:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1469 transitions. [2021-08-13 02:02:15,447 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47725795971410007 [2021-08-13 02:02:15,447 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1469 transitions. [2021-08-13 02:02:15,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1469 transitions. [2021-08-13 02:02:15,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:15,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1469 transitions. [2021-08-13 02:02:15,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.3157894736842) internal successors, (1469), 19 states have internal predecessors, (1469), 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) [2021-08-13 02:02:15,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:02:15,453 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:02:15,454 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 78 predicate places. [2021-08-13 02:02:15,454 INFO L482 AbstractCegarLoop]: Abstraction has has 226 places, 372 transitions, 4636 flow [2021-08-13 02:02:15,454 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:15,454 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:15,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:15,455 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 02:02:15,455 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:15,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:15,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1174125180, now seen corresponding path program 4 times [2021-08-13 02:02:15,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:15,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948450071] [2021-08-13 02:02:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:15,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:15,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:15,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:02:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:15,658 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-08-13 02:02:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:02:15,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-13 02:02:15,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:02:15,675 INFO L142 QuantifierPusher]: treesize reduction 10, result has 70.6 percent of original size [2021-08-13 02:02:15,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:02:15,688 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-08-13 02:02:15,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:02:15,702 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-08-13 02:02:15,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:02:15,718 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.0 percent of original size [2021-08-13 02:02:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:15,734 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-08-13 02:02:15,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 02:02:15,755 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-08-13 02:02:15,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 02:02:15,768 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-08-13 02:02:15,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 02:02:15,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-08-13 02:02:15,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 02:02:15,800 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:15,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:15,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:15,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:15,813 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:15,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:15,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:15,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:15,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948450071] [2021-08-13 02:02:15,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948450071] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:15,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:15,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:02:15,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718209326] [2021-08-13 02:02:15,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:02:15,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:15,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:02:15,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:02:15,858 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:15,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 372 transitions, 4636 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:15,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:15,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:15,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:17,499 INFO L129 PetriNetUnfolder]: 951/2704 cut-off events. [2021-08-13 02:02:17,500 INFO L130 PetriNetUnfolder]: For 12601/23135 co-relation queries the response was YES. [2021-08-13 02:02:17,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16352 conditions, 2704 events. 951/2704 cut-off events. For 12601/23135 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 19919 event pairs, 64 based on Foata normal form. 42/2696 useless extension candidates. Maximal degree in co-relation 14923. Up to 1372 conditions per place. [2021-08-13 02:02:17,523 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 441 selfloop transitions, 89 changer transitions 81/660 dead transitions. [2021-08-13 02:02:17,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 660 transitions, 9964 flow [2021-08-13 02:02:17,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 02:02:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 02:02:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1492 transitions. [2021-08-13 02:02:17,530 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4604938271604938 [2021-08-13 02:02:17,530 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1492 transitions. [2021-08-13 02:02:17,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1492 transitions. [2021-08-13 02:02:17,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:17,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1492 transitions. [2021-08-13 02:02:17,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.6) internal successors, (1492), 20 states have internal predecessors, (1492), 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) [2021-08-13 02:02:17,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 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) [2021-08-13 02:02:17,536 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 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) [2021-08-13 02:02:17,537 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 97 predicate places. [2021-08-13 02:02:17,537 INFO L482 AbstractCegarLoop]: Abstraction has has 245 places, 660 transitions, 9964 flow [2021-08-13 02:02:17,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:17,537 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:17,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:17,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 02:02:17,538 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:17,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:17,538 INFO L82 PathProgramCache]: Analyzing trace with hash -250238292, now seen corresponding path program 5 times [2021-08-13 02:02:17,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:17,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784538187] [2021-08-13 02:02:17,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:17,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:17,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:17,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:17,682 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:02:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:17,690 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:17,699 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:02:17,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:17,712 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:02:17,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:17,757 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:02:17,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:17,775 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-13 02:02:17,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:02:17,795 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:02:17,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:17,813 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-13 02:02:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 02:02:17,834 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:02:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:02:17,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-13 02:02:17,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:02:17,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:17,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:17,878 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:17,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:17,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:17,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:17,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:17,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:17,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:17,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:17,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:17,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:17,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784538187] [2021-08-13 02:02:17,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784538187] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:17,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:17,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:02:17,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557568303] [2021-08-13 02:02:17,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:02:17,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:17,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:02:17,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:02:17,932 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:17,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 660 transitions, 9964 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:17,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:17,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:17,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:19,969 INFO L129 PetriNetUnfolder]: 950/2755 cut-off events. [2021-08-13 02:02:19,969 INFO L130 PetriNetUnfolder]: For 15182/30543 co-relation queries the response was YES. [2021-08-13 02:02:19,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18753 conditions, 2755 events. 950/2755 cut-off events. For 15182/30543 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 20349 event pairs, 68 based on Foata normal form. 146/2848 useless extension candidates. Maximal degree in co-relation 17104. Up to 1386 conditions per place. [2021-08-13 02:02:19,991 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 454 selfloop transitions, 101 changer transitions 95/699 dead transitions. [2021-08-13 02:02:19,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 699 transitions, 11914 flow [2021-08-13 02:02:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:02:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:02:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1564 transitions. [2021-08-13 02:02:19,996 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45972957084068194 [2021-08-13 02:02:19,996 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1564 transitions. [2021-08-13 02:02:19,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1564 transitions. [2021-08-13 02:02:19,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:19,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1564 transitions. [2021-08-13 02:02:20,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.47619047619048) internal successors, (1564), 21 states have internal predecessors, (1564), 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) [2021-08-13 02:02:20,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:20,008 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:20,008 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 117 predicate places. [2021-08-13 02:02:20,008 INFO L482 AbstractCegarLoop]: Abstraction has has 265 places, 699 transitions, 11914 flow [2021-08-13 02:02:20,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:20,009 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:20,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:20,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 02:02:20,009 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1607585318, now seen corresponding path program 6 times [2021-08-13 02:02:20,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:20,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545073777] [2021-08-13 02:02:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:20,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:20,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:20,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:20,160 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:02:20,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:20,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:20,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:20,183 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:02:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:20,196 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:02:20,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:20,210 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:02:20,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:20,226 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:02:20,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:20,241 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:02:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:20,258 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-13 02:02:20,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 02:02:20,280 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:02:20,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:02:20,292 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-13 02:02:20,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:02:20,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:20,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:20,322 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:20,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:20,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:20,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:20,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:20,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:20,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545073777] [2021-08-13 02:02:20,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545073777] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:20,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:20,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:02:20,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409394925] [2021-08-13 02:02:20,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:02:20,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:20,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:02:20,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:02:20,369 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:20,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 699 transitions, 11914 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:20,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:20,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:20,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:22,299 INFO L129 PetriNetUnfolder]: 949/2818 cut-off events. [2021-08-13 02:02:22,299 INFO L130 PetriNetUnfolder]: For 18726/37465 co-relation queries the response was YES. [2021-08-13 02:02:22,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21248 conditions, 2818 events. 949/2818 cut-off events. For 18726/37465 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 20857 event pairs, 78 based on Foata normal form. 71/2826 useless extension candidates. Maximal degree in co-relation 18104. Up to 1400 conditions per place. [2021-08-13 02:02:22,322 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 491 selfloop transitions, 89 changer transitions 109/738 dead transitions. [2021-08-13 02:02:22,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 738 transitions, 14020 flow [2021-08-13 02:02:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:02:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:02:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1569 transitions. [2021-08-13 02:02:22,325 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46119929453262787 [2021-08-13 02:02:22,325 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1569 transitions. [2021-08-13 02:02:22,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1569 transitions. [2021-08-13 02:02:22,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:22,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1569 transitions. [2021-08-13 02:02:22,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.71428571428571) internal successors, (1569), 21 states have internal predecessors, (1569), 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) [2021-08-13 02:02:22,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:22,345 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:22,346 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 137 predicate places. [2021-08-13 02:02:22,346 INFO L482 AbstractCegarLoop]: Abstraction has has 285 places, 738 transitions, 14020 flow [2021-08-13 02:02:22,346 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:22,346 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:22,346 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:22,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 02:02:22,347 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:22,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:22,347 INFO L82 PathProgramCache]: Analyzing trace with hash 679804848, now seen corresponding path program 7 times [2021-08-13 02:02:22,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:22,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493142553] [2021-08-13 02:02:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:22,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:22,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:22,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:22,498 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:02:22,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:22,507 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:22,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:22,518 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:02:22,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:22,532 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:02:22,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:22,549 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:02:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:22,567 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:02:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:22,584 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:02:22,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:22,603 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-13 02:02:22,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 02:02:22,624 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:02:22,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:02:22,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-13 02:02:22,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:02:22,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:22,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:22,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:22,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:22,670 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:22,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:22,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:22,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:22,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:22,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:22,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:22,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:22,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493142553] [2021-08-13 02:02:22,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493142553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:22,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:22,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:02:22,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218494279] [2021-08-13 02:02:22,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:02:22,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:22,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:02:22,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:02:22,723 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:22,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 738 transitions, 14020 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:22,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:22,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:22,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:23,709 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2021-08-13 02:02:24,951 INFO L129 PetriNetUnfolder]: 1157/3604 cut-off events. [2021-08-13 02:02:24,952 INFO L130 PetriNetUnfolder]: For 28498/52048 co-relation queries the response was YES. [2021-08-13 02:02:24,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30156 conditions, 3604 events. 1157/3604 cut-off events. For 28498/52048 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 28960 event pairs, 78 based on Foata normal form. 64/3588 useless extension candidates. Maximal degree in co-relation 26647. Up to 1845 conditions per place. [2021-08-13 02:02:24,984 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 642 selfloop transitions, 116 changer transitions 151/958 dead transitions. [2021-08-13 02:02:24,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 958 transitions, 20482 flow [2021-08-13 02:02:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:02:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:02:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1564 transitions. [2021-08-13 02:02:24,987 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45972957084068194 [2021-08-13 02:02:24,987 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1564 transitions. [2021-08-13 02:02:24,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1564 transitions. [2021-08-13 02:02:24,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:24,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1564 transitions. [2021-08-13 02:02:24,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.47619047619048) internal successors, (1564), 21 states have internal predecessors, (1564), 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) [2021-08-13 02:02:24,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:24,994 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:24,995 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 157 predicate places. [2021-08-13 02:02:24,995 INFO L482 AbstractCegarLoop]: Abstraction has has 305 places, 958 transitions, 20482 flow [2021-08-13 02:02:24,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:24,995 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:24,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:24,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 02:02:24,996 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:24,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2070754300, now seen corresponding path program 8 times [2021-08-13 02:02:24,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:24,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68803104] [2021-08-13 02:02:24,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:25,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:25,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:25,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:25,144 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-08-13 02:02:25,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:02:25,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:25,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:25,171 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:25,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:25,184 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-08-13 02:02:25,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:25,198 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-13 02:02:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:02:25,217 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-08-13 02:02:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 02:02:25,228 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-13 02:02:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:02:25,243 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:25,257 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:25,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:25,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:25,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:25,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:25,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:25,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:25,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:25,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:25,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68803104] [2021-08-13 02:02:25,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68803104] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:25,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:25,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 02:02:25,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444198052] [2021-08-13 02:02:25,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 02:02:25,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:25,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 02:02:25,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-08-13 02:02:25,303 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-13 02:02:25,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 958 transitions, 20482 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:25,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:25,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-13 02:02:25,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:27,175 INFO L129 PetriNetUnfolder]: 1723/5201 cut-off events. [2021-08-13 02:02:27,176 INFO L130 PetriNetUnfolder]: For 51098/86562 co-relation queries the response was YES. [2021-08-13 02:02:27,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47867 conditions, 5201 events. 1723/5201 cut-off events. For 51098/86562 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 46145 event pairs, 99 based on Foata normal form. 75/5183 useless extension candidates. Maximal degree in co-relation 37975. Up to 2850 conditions per place. [2021-08-13 02:02:27,218 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 876 selfloop transitions, 248 changer transitions 175/1372 dead transitions. [2021-08-13 02:02:27,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 1372 transitions, 32756 flow [2021-08-13 02:02:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 02:02:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 02:02:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1386 transitions. [2021-08-13 02:02:27,220 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47530864197530864 [2021-08-13 02:02:27,220 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1386 transitions. [2021-08-13 02:02:27,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1386 transitions. [2021-08-13 02:02:27,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:27,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1386 transitions. [2021-08-13 02:02:27,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 77.0) internal successors, (1386), 18 states have internal predecessors, (1386), 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) [2021-08-13 02:02:27,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 states have internal predecessors, (3078), 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) [2021-08-13 02:02:27,225 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 162.0) internal successors, (3078), 19 states have internal predecessors, (3078), 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) [2021-08-13 02:02:27,225 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 174 predicate places. [2021-08-13 02:02:27,225 INFO L482 AbstractCegarLoop]: Abstraction has has 322 places, 1372 transitions, 32756 flow [2021-08-13 02:02:27,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:27,226 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:27,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:27,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 02:02:27,226 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:27,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:27,226 INFO L82 PathProgramCache]: Analyzing trace with hash 148673112, now seen corresponding path program 9 times [2021-08-13 02:02:27,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:27,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971310587] [2021-08-13 02:02:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:27,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:27,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:27,338 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-13 02:02:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 02:02:27,353 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:27,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:27,363 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-13 02:02:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:27,466 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-13 02:02:27,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:27,481 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-08-13 02:02:27,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:27,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-08-13 02:02:27,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:02:27,520 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-08-13 02:02:27,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 02:02:27,542 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-08-13 02:02:27,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 02:02:27,560 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-13 02:02:27,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:02:27,575 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:27,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:27,585 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:02:27,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:27,586 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:27,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:27,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:27,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:27,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:27,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:27,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:27,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:27,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971310587] [2021-08-13 02:02:27,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971310587] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:27,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:27,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:02:27,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292231771] [2021-08-13 02:02:27,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:02:27,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:27,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:02:27,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:02:27,627 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:27,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 1372 transitions, 32756 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:27,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:27,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:27,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:31,895 INFO L129 PetriNetUnfolder]: 2637/8103 cut-off events. [2021-08-13 02:02:31,895 INFO L130 PetriNetUnfolder]: For 96476/138685 co-relation queries the response was YES. [2021-08-13 02:02:31,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79264 conditions, 8103 events. 2637/8103 cut-off events. For 96476/138685 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 81998 event pairs, 97 based on Foata normal form. 444/8419 useless extension candidates. Maximal degree in co-relation 58244. Up to 4556 conditions per place. [2021-08-13 02:02:31,957 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 1528 selfloop transitions, 202 changer transitions 201/1980 dead transitions. [2021-08-13 02:02:31,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1980 transitions, 51800 flow [2021-08-13 02:02:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 02:02:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 02:02:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1494 transitions. [2021-08-13 02:02:31,959 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46111111111111114 [2021-08-13 02:02:31,959 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1494 transitions. [2021-08-13 02:02:31,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1494 transitions. [2021-08-13 02:02:31,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:31,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1494 transitions. [2021-08-13 02:02:31,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.7) internal successors, (1494), 20 states have internal predecessors, (1494), 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) [2021-08-13 02:02:31,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 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) [2021-08-13 02:02:31,964 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 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) [2021-08-13 02:02:31,964 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 193 predicate places. [2021-08-13 02:02:31,965 INFO L482 AbstractCegarLoop]: Abstraction has has 341 places, 1980 transitions, 51800 flow [2021-08-13 02:02:31,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:31,965 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:31,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:31,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 02:02:31,965 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:31,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:31,966 INFO L82 PathProgramCache]: Analyzing trace with hash 201815966, now seen corresponding path program 10 times [2021-08-13 02:02:31,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:31,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008166871] [2021-08-13 02:02:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:32,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:32,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:32,094 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-13 02:02:32,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:32,111 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:02:32,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:32,121 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:02:32,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:32,135 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:02:32,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:02:32,148 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:02:32,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:32,162 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:02:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:32,178 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:02:32,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:32,195 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:02:32,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:02:32,216 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:02:32,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:02:32,235 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:02:32,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:32,249 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:02:32,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:32,250 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:32,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:32,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:32,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:32,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:32,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:32,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008166871] [2021-08-13 02:02:32,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008166871] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:32,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:32,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:02:32,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945811033] [2021-08-13 02:02:32,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:02:32,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:32,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:02:32,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:02:32,300 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:32,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 1980 transitions, 51800 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:32,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:32,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:32,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:33,149 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-08-13 02:02:40,043 INFO L129 PetriNetUnfolder]: 3050/9609 cut-off events. [2021-08-13 02:02:40,043 INFO L130 PetriNetUnfolder]: For 130979/174890 co-relation queries the response was YES. [2021-08-13 02:02:40,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100630 conditions, 9609 events. 3050/9609 cut-off events. For 130979/174890 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 101128 event pairs, 112 based on Foata normal form. 240/9703 useless extension candidates. Maximal degree in co-relation 72845. Up to 5404 conditions per place. [2021-08-13 02:02:40,112 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 1909 selfloop transitions, 203 changer transitions 247/2408 dead transitions. [2021-08-13 02:02:40,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 2408 transitions, 68138 flow [2021-08-13 02:02:40,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:02:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:02:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1566 transitions. [2021-08-13 02:02:40,114 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-08-13 02:02:40,114 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1566 transitions. [2021-08-13 02:02:40,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1566 transitions. [2021-08-13 02:02:40,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:40,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1566 transitions. [2021-08-13 02:02:40,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.57142857142857) internal successors, (1566), 21 states have internal predecessors, (1566), 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) [2021-08-13 02:02:40,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:40,120 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:02:40,120 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 213 predicate places. [2021-08-13 02:02:40,120 INFO L482 AbstractCegarLoop]: Abstraction has has 361 places, 2408 transitions, 68138 flow [2021-08-13 02:02:40,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:02:40,120 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:40,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:40,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 02:02:40,121 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:40,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:40,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1361577166, now seen corresponding path program 11 times [2021-08-13 02:02:40,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:40,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742980042] [2021-08-13 02:02:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:40,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:40,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:40,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:40,235 INFO L142 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size [2021-08-13 02:02:40,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:02:40,250 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:02:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:40,259 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:02:40,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:40,272 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:02:40,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:40,286 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 02:02:40,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:40,302 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-08-13 02:02:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 02:02:40,326 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-08-13 02:02:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:02:40,340 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:02:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:02:40,374 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-08-13 02:02:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 02:02:40,417 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-08-13 02:02:40,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 02:02:40,453 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-08-13 02:02:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 02:02:40,488 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-08-13 02:02:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 02:02:40,527 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:02:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:40,540 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:02:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:40,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:40,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:40,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:40,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:40,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:40,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:40,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:40,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:40,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742980042] [2021-08-13 02:02:40,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742980042] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:40,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:40,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-08-13 02:02:40,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453685428] [2021-08-13 02:02:40,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 02:02:40,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:40,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 02:02:40,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-08-13 02:02:40,614 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:02:40,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 2408 transitions, 68138 flow. Second operand has 20 states, 20 states have (on average 67.95) internal successors, (1359), 20 states have internal predecessors, (1359), 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) [2021-08-13 02:02:40,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:40,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:02:40,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:02:54,772 INFO L129 PetriNetUnfolder]: 3481/11091 cut-off events. [2021-08-13 02:02:54,772 INFO L130 PetriNetUnfolder]: For 173426/272499 co-relation queries the response was YES. [2021-08-13 02:02:54,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124257 conditions, 11091 events. 3481/11091 cut-off events. For 173426/272499 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 120826 event pairs, 100 based on Foata normal form. 925/11854 useless extension candidates. Maximal degree in co-relation 90472. Up to 6299 conditions per place. [2021-08-13 02:02:54,855 INFO L132 encePairwiseOnDemand]: 130/162 looper letters, 2036 selfloop transitions, 444 changer transitions 309/2838 dead transitions. [2021-08-13 02:02:54,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 2838 transitions, 86310 flow [2021-08-13 02:02:54,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 02:02:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 02:02:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1906 transitions. [2021-08-13 02:02:54,884 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45251661918328584 [2021-08-13 02:02:54,884 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1906 transitions. [2021-08-13 02:02:54,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1906 transitions. [2021-08-13 02:02:54,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:02:54,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1906 transitions. [2021-08-13 02:02:54,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 73.3076923076923) internal successors, (1906), 26 states have internal predecessors, (1906), 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) [2021-08-13 02:02:54,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 162.0) internal successors, (4374), 27 states have internal predecessors, (4374), 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) [2021-08-13 02:02:54,896 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 162.0) internal successors, (4374), 27 states have internal predecessors, (4374), 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) [2021-08-13 02:02:54,896 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 238 predicate places. [2021-08-13 02:02:54,897 INFO L482 AbstractCegarLoop]: Abstraction has has 386 places, 2838 transitions, 86310 flow [2021-08-13 02:02:54,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 67.95) internal successors, (1359), 20 states have internal predecessors, (1359), 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) [2021-08-13 02:02:54,897 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:02:54,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:02:54,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 02:02:54,913 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:02:54,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:02:54,914 INFO L82 PathProgramCache]: Analyzing trace with hash 697010812, now seen corresponding path program 12 times [2021-08-13 02:02:54,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:02:54,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398922254] [2021-08-13 02:02:54,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:02:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:02:55,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:02:55,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:55,111 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:02:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:55,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:55,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:55,149 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-08-13 02:02:55,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:02:55,160 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-13 02:02:55,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:02:55,170 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 02:02:55,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:02:55,182 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:02:55,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:02:55,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:55,201 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:02:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:02:55,202 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:02:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:02:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:02:55,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:55,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:02:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:02:55,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:02:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:02:55,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:02:55,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398922254] [2021-08-13 02:02:55,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398922254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:02:55,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:02:55,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 02:02:55,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095021696] [2021-08-13 02:02:55,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 02:02:55,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:02:55,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 02:02:55,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-08-13 02:02:55,245 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-13 02:02:55,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 2838 transitions, 86310 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:02:55,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:02:55,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-13 02:02:55,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:03:08,429 INFO L129 PetriNetUnfolder]: 3532/11535 cut-off events. [2021-08-13 02:03:08,429 INFO L130 PetriNetUnfolder]: For 201528/323847 co-relation queries the response was YES. [2021-08-13 02:03:08,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136784 conditions, 11535 events. 3532/11535 cut-off events. For 201528/323847 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 128075 event pairs, 100 based on Foata normal form. 558/11921 useless extension candidates. Maximal degree in co-relation 97406. Up to 6523 conditions per place. [2021-08-13 02:03:08,509 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 2053 selfloop transitions, 591 changer transitions 323/3054 dead transitions. [2021-08-13 02:03:08,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 3054 transitions, 98936 flow [2021-08-13 02:03:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 02:03:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 02:03:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1481 transitions. [2021-08-13 02:03:08,511 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4811565951916829 [2021-08-13 02:03:08,511 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1481 transitions. [2021-08-13 02:03:08,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1481 transitions. [2021-08-13 02:03:08,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:03:08,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1481 transitions. [2021-08-13 02:03:08,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.94736842105263) internal successors, (1481), 19 states have internal predecessors, (1481), 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) [2021-08-13 02:03:08,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:03:08,515 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:03:08,516 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 256 predicate places. [2021-08-13 02:03:08,516 INFO L482 AbstractCegarLoop]: Abstraction has has 404 places, 3054 transitions, 98936 flow [2021-08-13 02:03:08,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:03:08,516 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:03:08,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:03:08,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 02:03:08,516 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:03:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:03:08,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1405524628, now seen corresponding path program 13 times [2021-08-13 02:03:08,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:03:08,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813381959] [2021-08-13 02:03:08,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:03:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:03:08,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:08,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:03:08,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:03:08,617 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:03:08,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:03:08,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:03:08,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:03:08,633 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:03:08,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:03:08,645 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:03:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:03:08,660 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:03:08,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:03:08,690 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-13 02:03:08,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:03:08,706 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:03:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:03:08,719 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:03:08,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:03:08,737 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:03:08,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:03:08,752 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:03:08,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:03:08,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:03:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:03:08,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:03:08,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:03:08,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:03:08,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:03:08,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:03:08,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:08,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:03:08,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:03:08,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813381959] [2021-08-13 02:03:08,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813381959] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:03:08,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:03:08,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:03:08,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560442366] [2021-08-13 02:03:08,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:03:08,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:03:08,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:03:08,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:03:08,807 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:03:08,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 3054 transitions, 98936 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:03:08,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:03:08,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:03:08,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:03:24,562 INFO L129 PetriNetUnfolder]: 3530/11629 cut-off events. [2021-08-13 02:03:24,563 INFO L130 PetriNetUnfolder]: For 225522/298031 co-relation queries the response was YES. [2021-08-13 02:03:24,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146123 conditions, 11629 events. 3530/11629 cut-off events. For 225522/298031 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 129008 event pairs, 111 based on Foata normal form. 908/12380 useless extension candidates. Maximal degree in co-relation 107803. Up to 6544 conditions per place. [2021-08-13 02:03:24,651 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 2337 selfloop transitions, 384 changer transitions 349/3119 dead transitions. [2021-08-13 02:03:24,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 3119 transitions, 107218 flow [2021-08-13 02:03:24,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:03:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:03:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1566 transitions. [2021-08-13 02:03:24,674 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-08-13 02:03:24,674 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1566 transitions. [2021-08-13 02:03:24,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1566 transitions. [2021-08-13 02:03:24,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:03:24,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1566 transitions. [2021-08-13 02:03:24,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.57142857142857) internal successors, (1566), 21 states have internal predecessors, (1566), 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) [2021-08-13 02:03:24,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:03:24,680 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:03:24,680 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 276 predicate places. [2021-08-13 02:03:24,680 INFO L482 AbstractCegarLoop]: Abstraction has has 424 places, 3119 transitions, 107218 flow [2021-08-13 02:03:24,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:03:24,681 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:03:24,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:03:24,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-13 02:03:24,681 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:03:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:03:24,681 INFO L82 PathProgramCache]: Analyzing trace with hash -67786626, now seen corresponding path program 14 times [2021-08-13 02:03:24,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:03:24,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304268341] [2021-08-13 02:03:24,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:03:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:03:24,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:24,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:24,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:03:24,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:03:24,803 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:03:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:03:24,810 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:03:24,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:03:24,818 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:03:24,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:03:24,830 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:03:24,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:03:24,843 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:03:24,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:03:24,858 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-13 02:03:24,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:03:24,875 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-08-13 02:03:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 02:03:24,896 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-08-13 02:03:24,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 02:03:24,912 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-08-13 02:03:24,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:03:24,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:03:24,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:03:24,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:03:24,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:03:24,936 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:03:24,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:03:24,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:03:24,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:03:24,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:03:24,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:24,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:03:24,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:03:24,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304268341] [2021-08-13 02:03:24,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304268341] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:03:24,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:03:24,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:03:24,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709812899] [2021-08-13 02:03:24,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:03:24,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:03:24,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:03:24,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:03:24,974 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:03:24,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 3119 transitions, 107218 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:03:24,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:03:24,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:03:24,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:03:39,662 INFO L129 PetriNetUnfolder]: 3542/11805 cut-off events. [2021-08-13 02:03:39,662 INFO L130 PetriNetUnfolder]: For 258086/329240 co-relation queries the response was YES. [2021-08-13 02:03:39,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156445 conditions, 11805 events. 3542/11805 cut-off events. For 258086/329240 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 131774 event pairs, 122 based on Foata normal form. 683/12327 useless extension candidates. Maximal degree in co-relation 115923. Up to 6607 conditions per place. [2021-08-13 02:03:39,754 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 2475 selfloop transitions, 332 changer transitions 375/3231 dead transitions. [2021-08-13 02:03:39,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 3231 transitions, 117490 flow [2021-08-13 02:03:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 02:03:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 02:03:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1499 transitions. [2021-08-13 02:03:39,758 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4626543209876543 [2021-08-13 02:03:39,758 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1499 transitions. [2021-08-13 02:03:39,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1499 transitions. [2021-08-13 02:03:39,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:03:39,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1499 transitions. [2021-08-13 02:03:39,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.95) internal successors, (1499), 20 states have internal predecessors, (1499), 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) [2021-08-13 02:03:39,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 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) [2021-08-13 02:03:39,775 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 162.0) internal successors, (3402), 21 states have internal predecessors, (3402), 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) [2021-08-13 02:03:39,775 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 295 predicate places. [2021-08-13 02:03:39,775 INFO L482 AbstractCegarLoop]: Abstraction has has 443 places, 3231 transitions, 117490 flow [2021-08-13 02:03:39,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:03:39,775 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:03:39,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:03:39,775 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-13 02:03:39,776 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:03:39,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:03:39,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2050144090, now seen corresponding path program 1 times [2021-08-13 02:03:39,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:03:39,776 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650029910] [2021-08-13 02:03:39,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:03:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:03:39,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:39,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:39,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:39,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:03:39,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:39,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:03:39,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:39,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:03:39,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:39,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:03:39,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:39,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:03:40,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:40,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:03:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:03:40,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:40,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 02:03:40,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:40,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 02:03:40,083 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 02:03:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-13 02:03:40,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:03:40,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:03:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:03:40,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:03:40,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650029910] [2021-08-13 02:03:40,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650029910] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:03:40,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:03:40,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 02:03:40,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138401078] [2021-08-13 02:03:40,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 02:03:40,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:03:40,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 02:03:40,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-08-13 02:03:40,133 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 162 [2021-08-13 02:03:40,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 3231 transitions, 117490 flow. Second operand has 11 states, 11 states have (on average 104.72727272727273) internal successors, (1152), 11 states have internal predecessors, (1152), 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) [2021-08-13 02:03:40,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:03:40,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 162 [2021-08-13 02:03:40,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:04:04,708 INFO L129 PetriNetUnfolder]: 5231/16141 cut-off events. [2021-08-13 02:04:04,708 INFO L130 PetriNetUnfolder]: For 375523/406012 co-relation queries the response was YES. [2021-08-13 02:04:04,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213297 conditions, 16141 events. 5231/16141 cut-off events. For 375523/406012 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 186264 event pairs, 658 based on Foata normal form. 218/16147 useless extension candidates. Maximal degree in co-relation 177540. Up to 8871 conditions per place. [2021-08-13 02:04:05,004 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 2639 selfloop transitions, 320 changer transitions 375/4016 dead transitions. [2021-08-13 02:04:05,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 4016 transitions, 153216 flow [2021-08-13 02:04:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-13 02:04:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-13 02:04:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1598 transitions. [2021-08-13 02:04:05,006 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6576131687242799 [2021-08-13 02:04:05,006 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1598 transitions. [2021-08-13 02:04:05,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1598 transitions. [2021-08-13 02:04:05,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:04:05,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1598 transitions. [2021-08-13 02:04:05,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 106.53333333333333) internal successors, (1598), 15 states have internal predecessors, (1598), 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) [2021-08-13 02:04:05,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 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) [2021-08-13 02:04:05,010 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 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) [2021-08-13 02:04:05,010 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 309 predicate places. [2021-08-13 02:04:05,010 INFO L482 AbstractCegarLoop]: Abstraction has has 457 places, 4016 transitions, 153216 flow [2021-08-13 02:04:05,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 104.72727272727273) internal successors, (1152), 11 states have internal predecessors, (1152), 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) [2021-08-13 02:04:05,010 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:04:05,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:04:05,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-13 02:04:05,011 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:04:05,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:04:05,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1889279794, now seen corresponding path program 2 times [2021-08-13 02:04:05,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:04:05,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471890255] [2021-08-13 02:04:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:04:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:04:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:04:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:04:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:04:05,124 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-08-13 02:04:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 02:04:05,129 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-08-13 02:04:05,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:04:05,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:04:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:04:05,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 02:04:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:04:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:04:05,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:04:05,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 02:04:05,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 02:04:05,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 02:04:05,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-08-13 02:04:05,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-08-13 02:04:05,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:04:05,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-08-13 02:04:05,353 INFO L142 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-08-13 02:04:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-08-13 02:04:05,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-08-13 02:04:05,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-08-13 02:04:05,499 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-08-13 02:04:05,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 02:04:05,524 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-08-13 02:04:05,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 02:04:05,564 INFO L142 QuantifierPusher]: treesize reduction 66, result has 79.5 percent of original size [2021-08-13 02:04:05,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-08-13 02:04:05,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:05,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:04:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:04:05,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:04:05,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471890255] [2021-08-13 02:04:05,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471890255] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:04:05,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:04:05,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-13 02:04:05,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385085212] [2021-08-13 02:04:05,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-13 02:04:05,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:04:05,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-13 02:04:05,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2021-08-13 02:04:05,639 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 162 [2021-08-13 02:04:05,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 4016 transitions, 153216 flow. Second operand has 21 states, 21 states have (on average 88.61904761904762) internal successors, (1861), 21 states have internal predecessors, (1861), 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) [2021-08-13 02:04:05,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:04:05,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 162 [2021-08-13 02:04:05,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:04:46,883 INFO L129 PetriNetUnfolder]: 5472/16882 cut-off events. [2021-08-13 02:04:46,883 INFO L130 PetriNetUnfolder]: For 405830/470886 co-relation queries the response was YES. [2021-08-13 02:04:46,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233606 conditions, 16882 events. 5472/16882 cut-off events. For 405830/470886 co-relation queries the response was YES. Maximal size of possible extension queue 951. Compared 195269 event pairs, 517 based on Foata normal form. 354/17006 useless extension candidates. Maximal degree in co-relation 155926. Up to 9997 conditions per place. [2021-08-13 02:04:47,030 INFO L132 encePairwiseOnDemand]: 130/162 looper letters, 3083 selfloop transitions, 577 changer transitions 441/4614 dead transitions. [2021-08-13 02:04:47,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 4614 transitions, 182788 flow [2021-08-13 02:04:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-13 02:04:47,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-08-13 02:04:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 3074 transitions. [2021-08-13 02:04:47,032 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5750093527871306 [2021-08-13 02:04:47,032 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 3074 transitions. [2021-08-13 02:04:47,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 3074 transitions. [2021-08-13 02:04:47,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:04:47,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 3074 transitions. [2021-08-13 02:04:47,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 93.15151515151516) internal successors, (3074), 33 states have internal predecessors, (3074), 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) [2021-08-13 02:04:47,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 162.0) internal successors, (5508), 34 states have internal predecessors, (5508), 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) [2021-08-13 02:04:47,041 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 162.0) internal successors, (5508), 34 states have internal predecessors, (5508), 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) [2021-08-13 02:04:47,041 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 341 predicate places. [2021-08-13 02:04:47,041 INFO L482 AbstractCegarLoop]: Abstraction has has 489 places, 4614 transitions, 182788 flow [2021-08-13 02:04:47,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 88.61904761904762) internal successors, (1861), 21 states have internal predecessors, (1861), 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) [2021-08-13 02:04:47,042 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:04:47,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:04:47,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-13 02:04:47,042 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:04:47,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:04:47,042 INFO L82 PathProgramCache]: Analyzing trace with hash 689457032, now seen corresponding path program 15 times [2021-08-13 02:04:47,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:04:47,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648924250] [2021-08-13 02:04:47,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:04:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:04:47,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:04:47,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:04:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:04:47,142 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:04:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:04:47,149 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:04:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:04:47,158 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:04:47,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:04:47,170 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:04:47,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:04:47,184 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:04:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:04:47,199 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-13 02:04:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:04:47,216 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:04:47,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:04:47,231 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:04:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:04:47,249 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:04:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:04:47,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:04:47,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:04:47,275 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:04:47,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:04:47,275 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:04:47,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:04:47,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:04:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:04:47,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:04:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:04:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:04:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:04:47,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:04:47,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648924250] [2021-08-13 02:04:47,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648924250] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:04:47,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:04:47,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:04:47,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311134562] [2021-08-13 02:04:47,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:04:47,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:04:47,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:04:47,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:04:47,317 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:04:47,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 4614 transitions, 182788 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:04:47,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:04:47,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:04:47,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:05:33,278 INFO L129 PetriNetUnfolder]: 5472/16906 cut-off events. [2021-08-13 02:05:33,289 INFO L130 PetriNetUnfolder]: For 443797/508674 co-relation queries the response was YES. [2021-08-13 02:05:33,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245703 conditions, 16906 events. 5472/16906 cut-off events. For 443797/508674 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 195616 event pairs, 521 based on Foata normal form. 332/17014 useless extension candidates. Maximal degree in co-relation 163406. Up to 9997 conditions per place. [2021-08-13 02:05:33,431 INFO L132 encePairwiseOnDemand]: 131/162 looper letters, 3702 selfloop transitions, 437 changer transitions 457/4668 dead transitions. [2021-08-13 02:05:33,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 4668 transitions, 194026 flow [2021-08-13 02:05:33,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:05:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:05:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1571 transitions. [2021-08-13 02:05:33,433 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4617871840094062 [2021-08-13 02:05:33,433 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1571 transitions. [2021-08-13 02:05:33,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1571 transitions. [2021-08-13 02:05:33,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:05:33,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1571 transitions. [2021-08-13 02:05:33,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.80952380952381) internal successors, (1571), 21 states have internal predecessors, (1571), 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) [2021-08-13 02:05:33,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:05:33,437 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:05:33,437 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 361 predicate places. [2021-08-13 02:05:33,437 INFO L482 AbstractCegarLoop]: Abstraction has has 509 places, 4668 transitions, 194026 flow [2021-08-13 02:05:33,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:05:33,437 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:05:33,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:05:33,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-13 02:05:33,438 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:05:33,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:05:33,438 INFO L82 PathProgramCache]: Analyzing trace with hash 546036178, now seen corresponding path program 16 times [2021-08-13 02:05:33,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:05:33,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112815000] [2021-08-13 02:05:33,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:05:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:05:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:05:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:05:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:05:33,530 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-13 02:05:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:05:33,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:05:33,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:05:33,546 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:05:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:05:33,569 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:05:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:05:33,582 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-13 02:05:33,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:05:33,596 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:05:33,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:05:33,620 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:05:33,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:05:33,634 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:05:33,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:05:33,665 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:05:33,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:05:33,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:05:33,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:05:33,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 02:05:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:05:33,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:05:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:05:33,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:05:33,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:05:33,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:05:33,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:05:33,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:05:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:05:33,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:05:33,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112815000] [2021-08-13 02:05:33,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112815000] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:05:33,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:05:33,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:05:33,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604023882] [2021-08-13 02:05:33,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:05:33,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:05:33,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:05:33,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:05:33,766 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:05:33,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 4668 transitions, 194026 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:05:33,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:05:33,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:05:33,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:06:19,416 INFO L129 PetriNetUnfolder]: 5470/16952 cut-off events. [2021-08-13 02:06:19,419 INFO L130 PetriNetUnfolder]: For 498575/576503 co-relation queries the response was YES. [2021-08-13 02:06:19,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257992 conditions, 16952 events. 5470/16952 cut-off events. For 498575/576503 co-relation queries the response was YES. Maximal size of possible extension queue 949. Compared 195841 event pairs, 538 based on Foata normal form. 253/16972 useless extension candidates. Maximal degree in co-relation 170959. Up to 9997 conditions per place. [2021-08-13 02:06:19,594 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 3818 selfloop transitions, 359 changer transitions 473/4722 dead transitions. [2021-08-13 02:06:19,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 4722 transitions, 205480 flow [2021-08-13 02:06:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:06:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:06:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1571 transitions. [2021-08-13 02:06:19,596 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4617871840094062 [2021-08-13 02:06:19,596 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1571 transitions. [2021-08-13 02:06:19,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1571 transitions. [2021-08-13 02:06:19,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:06:19,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1571 transitions. [2021-08-13 02:06:19,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.80952380952381) internal successors, (1571), 21 states have internal predecessors, (1571), 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) [2021-08-13 02:06:19,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:06:19,633 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:06:19,633 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 381 predicate places. [2021-08-13 02:06:19,633 INFO L482 AbstractCegarLoop]: Abstraction has has 529 places, 4722 transitions, 205480 flow [2021-08-13 02:06:19,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:06:19,634 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:06:19,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:06:19,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-13 02:06:19,634 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:06:19,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:06:19,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1183180060, now seen corresponding path program 17 times [2021-08-13 02:06:19,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:06:19,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756080090] [2021-08-13 02:06:19,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:06:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:06:19,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:19,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:06:19,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:19,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:06:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:06:19,859 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-13 02:06:19,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:06:19,889 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:06:19,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:06:19,899 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:06:19,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:06:19,917 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-08-13 02:06:19,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 02:06:19,927 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 02:06:19,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:06:19,954 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 02:06:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:06:19,968 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:06:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:06:19,981 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:06:19,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:06:20,007 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:06:20,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:06:20,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:06:20,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:06:20,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:06:20,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:20,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:06:20,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:20,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:06:20,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:06:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:06:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:06:20,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:06:20,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756080090] [2021-08-13 02:06:20,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756080090] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:06:20,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:06:20,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 02:06:20,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143121731] [2021-08-13 02:06:20,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 02:06:20,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:06:20,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 02:06:20,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-13 02:06:20,062 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162 [2021-08-13 02:06:20,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 4722 transitions, 205480 flow. Second operand has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:06:20,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:06:20,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162 [2021-08-13 02:06:20,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:07:07,312 INFO L129 PetriNetUnfolder]: 5509/17292 cut-off events. [2021-08-13 02:07:07,313 INFO L130 PetriNetUnfolder]: For 562737/705853 co-relation queries the response was YES. [2021-08-13 02:07:07,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 273185 conditions, 17292 events. 5509/17292 cut-off events. For 562737/705853 co-relation queries the response was YES. Maximal size of possible extension queue 949. Compared 201436 event pairs, 534 based on Foata normal form. 115/17175 useless extension candidates. Maximal degree in co-relation 180282. Up to 10167 conditions per place. [2021-08-13 02:07:07,473 INFO L132 encePairwiseOnDemand]: 134/162 looper letters, 3654 selfloop transitions, 539 changer transitions 483/4853 dead transitions. [2021-08-13 02:07:07,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 4853 transitions, 220476 flow [2021-08-13 02:07:07,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 02:07:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 02:07:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1470 transitions. [2021-08-13 02:07:07,475 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4775828460038986 [2021-08-13 02:07:07,475 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1470 transitions. [2021-08-13 02:07:07,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1470 transitions. [2021-08-13 02:07:07,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:07:07,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1470 transitions. [2021-08-13 02:07:07,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 77.36842105263158) internal successors, (1470), 19 states have internal predecessors, (1470), 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) [2021-08-13 02:07:07,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:07:07,478 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 162.0) internal successors, (3240), 20 states have internal predecessors, (3240), 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) [2021-08-13 02:07:07,478 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 399 predicate places. [2021-08-13 02:07:07,478 INFO L482 AbstractCegarLoop]: Abstraction has has 547 places, 4853 transitions, 220476 flow [2021-08-13 02:07:07,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.73333333333333) internal successors, (1076), 15 states have internal predecessors, (1076), 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) [2021-08-13 02:07:07,479 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:07:07,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:07:07,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-13 02:07:07,479 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:07:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:07:07,479 INFO L82 PathProgramCache]: Analyzing trace with hash -974196854, now seen corresponding path program 18 times [2021-08-13 02:07:07,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:07:07,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327335723] [2021-08-13 02:07:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:07:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:07:07,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:07:07,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:07:07,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:07:07,570 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-13 02:07:07,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 02:07:07,583 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:07:07,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:07:07,591 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-13 02:07:07,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:07:07,604 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-13 02:07:07,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:07:07,618 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-08-13 02:07:07,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:07:07,634 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-08-13 02:07:07,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:07:07,648 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-08-13 02:07:07,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:07:07,663 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-08-13 02:07:07,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:07:07,682 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-08-13 02:07:07,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:07:07,696 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:07:07,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:07:07,709 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-13 02:07:07,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:07:07,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:07:07,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:07:07,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:07:07,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:07:07,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:07:07,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:07:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:07:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:07:07,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:07:07,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327335723] [2021-08-13 02:07:07,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327335723] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:07:07,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:07:07,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:07:07,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112548750] [2021-08-13 02:07:07,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:07:07,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:07:07,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:07:07,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:07:07,752 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:07:07,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 4853 transitions, 220476 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:07:07,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:07:07,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:07:07,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:08:01,914 INFO L129 PetriNetUnfolder]: 5506/17342 cut-off events. [2021-08-13 02:08:01,914 INFO L130 PetriNetUnfolder]: For 615861/756097 co-relation queries the response was YES. [2021-08-13 02:08:01,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285718 conditions, 17342 events. 5506/17342 cut-off events. For 615861/756097 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 202242 event pairs, 534 based on Foata normal form. 280/17384 useless extension candidates. Maximal degree in co-relation 187837. Up to 10166 conditions per place. [2021-08-13 02:08:02,068 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 3885 selfloop transitions, 451 changer transitions 499/4907 dead transitions. [2021-08-13 02:08:02,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 4907 transitions, 232480 flow [2021-08-13 02:08:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:08:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:08:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1566 transitions. [2021-08-13 02:08:02,070 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-08-13 02:08:02,070 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1566 transitions. [2021-08-13 02:08:02,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1566 transitions. [2021-08-13 02:08:02,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:08:02,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1566 transitions. [2021-08-13 02:08:02,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.57142857142857) internal successors, (1566), 21 states have internal predecessors, (1566), 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) [2021-08-13 02:08:02,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:08:02,073 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:08:02,073 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 419 predicate places. [2021-08-13 02:08:02,073 INFO L482 AbstractCegarLoop]: Abstraction has has 567 places, 4907 transitions, 232480 flow [2021-08-13 02:08:02,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:08:02,074 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:08:02,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:08:02,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-13 02:08:02,074 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:08:02,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:08:02,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1449013960, now seen corresponding path program 19 times [2021-08-13 02:08:02,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:08:02,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823369994] [2021-08-13 02:08:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:08:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:08:02,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:08:02,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:08:02,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:08:02,164 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-13 02:08:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:08:02,177 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:08:02,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:08:02,186 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:08:02,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:08:02,198 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:08:02,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:08:02,212 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:08:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:08:02,225 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-08-13 02:08:02,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:08:02,240 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:08:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:08:02,256 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:08:02,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:08:02,275 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:08:02,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:08:02,290 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:08:02,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:08:02,303 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:08:02,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:08:02,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:08:02,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:08:02,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:08:02,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:08:02,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:08:02,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:02,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:08:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:08:02,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:08:02,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823369994] [2021-08-13 02:08:02,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823369994] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:08:02,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:08:02,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:08:02,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438164329] [2021-08-13 02:08:02,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:08:02,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:08:02,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:08:02,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:08:02,348 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:08:02,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 4907 transitions, 232480 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:08:02,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:08:02,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:08:02,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:08:56,395 INFO L129 PetriNetUnfolder]: 5505/17486 cut-off events. [2021-08-13 02:08:56,395 INFO L130 PetriNetUnfolder]: For 673364/776047 co-relation queries the response was YES. [2021-08-13 02:08:56,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299247 conditions, 17486 events. 5505/17486 cut-off events. For 673364/776047 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 204238 event pairs, 525 based on Foata normal form. 175/17425 useless extension candidates. Maximal degree in co-relation 195559. Up to 10167 conditions per place. [2021-08-13 02:08:56,563 INFO L132 encePairwiseOnDemand]: 132/162 looper letters, 3917 selfloop transitions, 489 changer transitions 519/4997 dead transitions. [2021-08-13 02:08:56,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 4997 transitions, 246406 flow [2021-08-13 02:08:56,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 02:08:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 02:08:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1648 transitions. [2021-08-13 02:08:56,565 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4624017957351291 [2021-08-13 02:08:56,565 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1648 transitions. [2021-08-13 02:08:56,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1648 transitions. [2021-08-13 02:08:56,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:08:56,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1648 transitions. [2021-08-13 02:08:56,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 74.9090909090909) internal successors, (1648), 22 states have internal predecessors, (1648), 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) [2021-08-13 02:08:56,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 162.0) internal successors, (3726), 23 states have internal predecessors, (3726), 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) [2021-08-13 02:08:56,569 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 162.0) internal successors, (3726), 23 states have internal predecessors, (3726), 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) [2021-08-13 02:08:56,569 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 440 predicate places. [2021-08-13 02:08:56,569 INFO L482 AbstractCegarLoop]: Abstraction has has 588 places, 4997 transitions, 246406 flow [2021-08-13 02:08:56,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:08:56,569 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:08:56,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:08:56,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-13 02:08:56,570 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:08:56,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:08:56,570 INFO L82 PathProgramCache]: Analyzing trace with hash 513611420, now seen corresponding path program 20 times [2021-08-13 02:08:56,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:08:56,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61438502] [2021-08-13 02:08:56,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:08:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:08:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:08:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:08:56,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:08:56,666 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-13 02:08:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:08:56,680 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:08:56,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:08:56,689 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:08:56,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:08:56,702 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:08:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:08:56,717 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:08:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:08:56,730 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:08:56,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:08:56,746 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:08:56,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:08:56,762 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:08:56,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:08:56,781 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:08:56,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:08:56,796 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:08:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:08:56,809 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:08:56,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:08:56,809 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:08:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:08:56,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:08:56,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:08:56,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:08:56,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:08:56,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:08:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:08:56,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:08:56,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61438502] [2021-08-13 02:08:56,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61438502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:08:56,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:08:56,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:08:56,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517491199] [2021-08-13 02:08:56,851 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:08:56,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:08:56,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:08:56,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:08:56,853 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:08:56,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 4997 transitions, 246406 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:08:56,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:08:56,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:08:56,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:09:02,009 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-08-13 02:09:51,485 INFO L129 PetriNetUnfolder]: 5504/17503 cut-off events. [2021-08-13 02:09:51,485 INFO L130 PetriNetUnfolder]: For 743390/932236 co-relation queries the response was YES. [2021-08-13 02:09:51,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 311087 conditions, 17503 events. 5504/17503 cut-off events. For 743390/932236 co-relation queries the response was YES. Maximal size of possible extension queue 951. Compared 204445 event pairs, 526 based on Foata normal form. 186/17441 useless extension candidates. Maximal degree in co-relation 203184. Up to 10165 conditions per place. [2021-08-13 02:09:51,681 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 3992 selfloop transitions, 425 changer transitions 521/5010 dead transitions. [2021-08-13 02:09:51,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 5010 transitions, 256894 flow [2021-08-13 02:09:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:09:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:09:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1570 transitions. [2021-08-13 02:09:51,684 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46149323927101704 [2021-08-13 02:09:51,684 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1570 transitions. [2021-08-13 02:09:51,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1570 transitions. [2021-08-13 02:09:51,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:09:51,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1570 transitions. [2021-08-13 02:09:51,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.76190476190476) internal successors, (1570), 21 states have internal predecessors, (1570), 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) [2021-08-13 02:09:51,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:09:51,688 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:09:51,688 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 460 predicate places. [2021-08-13 02:09:51,688 INFO L482 AbstractCegarLoop]: Abstraction has has 608 places, 5010 transitions, 256894 flow [2021-08-13 02:09:51,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:09:51,688 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:09:51,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:09:51,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-13 02:09:51,688 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:09:51,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:09:51,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1733644432, now seen corresponding path program 21 times [2021-08-13 02:09:51,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:09:51,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895500525] [2021-08-13 02:09:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:09:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:09:51,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:51,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:09:51,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:51,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:09:51,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:51,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:09:51,959 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-13 02:09:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:09:51,988 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:09:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:09:51,999 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:09:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:09:52,015 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:09:52,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:09:52,043 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:09:52,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:09:52,060 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-13 02:09:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:09:52,092 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:09:52,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:09:52,110 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:09:52,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:09:52,132 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:09:52,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:09:52,149 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:09:52,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:09:52,163 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:09:52,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:09:52,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:09:52,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:09:52,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:52,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:09:52,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:52,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:09:52,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:52,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:09:52,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:09:52,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:09:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:09:52,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:09:52,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895500525] [2021-08-13 02:09:52,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895500525] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:09:52,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:09:52,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:09:52,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504411299] [2021-08-13 02:09:52,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:09:52,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:09:52,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:09:52,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:09:52,209 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:09:52,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 5010 transitions, 256894 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:09:52,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:09:52,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:09:52,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:10:42,348 INFO L129 PetriNetUnfolder]: 5504/17528 cut-off events. [2021-08-13 02:10:42,359 INFO L130 PetriNetUnfolder]: For 810961/1034503 co-relation queries the response was YES. [2021-08-13 02:10:42,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323712 conditions, 17528 events. 5504/17528 cut-off events. For 810961/1034503 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 204856 event pairs, 515 based on Foata normal form. 97/17382 useless extension candidates. Maximal degree in co-relation 210794. Up to 10165 conditions per place. [2021-08-13 02:10:42,526 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 4022 selfloop transitions, 432 changer transitions 527/5053 dead transitions. [2021-08-13 02:10:42,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 5053 transitions, 268984 flow [2021-08-13 02:10:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 02:10:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 02:10:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1571 transitions. [2021-08-13 02:10:42,528 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4617871840094062 [2021-08-13 02:10:42,528 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1571 transitions. [2021-08-13 02:10:42,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1571 transitions. [2021-08-13 02:10:42,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:10:42,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1571 transitions. [2021-08-13 02:10:42,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 74.80952380952381) internal successors, (1571), 21 states have internal predecessors, (1571), 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) [2021-08-13 02:10:42,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:10:42,546 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 162.0) internal successors, (3564), 22 states have internal predecessors, (3564), 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) [2021-08-13 02:10:42,546 INFO L348 CegarLoopForPetriNet]: 148 programPoint places, 480 predicate places. [2021-08-13 02:10:42,546 INFO L482 AbstractCegarLoop]: Abstraction has has 628 places, 5053 transitions, 268984 flow [2021-08-13 02:10:42,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:10:42,547 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:10:42,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:10:42,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-13 02:10:42,547 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:10:42,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:10:42,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1674254018, now seen corresponding path program 22 times [2021-08-13 02:10:42,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:10:42,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915521404] [2021-08-13 02:10:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:10:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:10:42,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:10:42,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:10:42,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:10:42,738 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-08-13 02:10:42,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 02:10:42,752 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:10:42,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:10:42,761 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 02:10:42,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:10:42,774 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:10:42,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:10:42,788 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-08-13 02:10:42,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:10:42,803 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-08-13 02:10:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 02:10:42,819 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-13 02:10:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:10:42,836 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-13 02:10:42,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 02:10:42,856 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-13 02:10:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 02:10:42,873 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:10:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:10:42,886 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-08-13 02:10:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 02:10:42,887 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 02:10:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:10:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:10:42,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:10:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:10:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:10:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:10:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:10:42,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:10:42,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915521404] [2021-08-13 02:10:42,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915521404] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:10:42,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:10:42,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 02:10:42,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120487105] [2021-08-13 02:10:42,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 02:10:42,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:10:42,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 02:10:42,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-13 02:10:42,936 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 162 [2021-08-13 02:10:42,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 5053 transitions, 268984 flow. Second operand has 18 states, 18 states have (on average 68.27777777777777) internal successors, (1229), 18 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:10:42,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:10:42,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 162 [2021-08-13 02:10:42,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-08-13 02:11:30,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 02:11:30,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-13 02:11:30,650 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 02:11:30,652 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 02:11:30,653 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 02:11:30,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 02:11:30 BasicIcfg [2021-08-13 02:11:30,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 02:11:30,654 INFO L168 Benchmark]: Toolchain (without parser) took 563447.55 ms. Allocated memory was 170.9 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 151.3 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-08-13 02:11:30,654 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 127.9 MB. Free memory was 108.8 MB in the beginning and 108.7 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 02:11:30,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.35 ms. Allocated memory is still 170.9 MB. Free memory was 151.0 MB in the beginning and 122.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 59.6 MB. Max. memory is 8.0 GB. [2021-08-13 02:11:30,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.20 ms. Allocated memory is still 170.9 MB. Free memory was 122.7 MB in the beginning and 119.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 02:11:30,654 INFO L168 Benchmark]: Boogie Preprocessor took 82.75 ms. Allocated memory is still 170.9 MB. Free memory was 119.6 MB in the beginning and 116.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 02:11:30,654 INFO L168 Benchmark]: RCFGBuilder took 664.30 ms. Allocated memory was 170.9 MB in the beginning and 230.7 MB in the end (delta: 59.8 MB). Free memory was 116.4 MB in the beginning and 191.2 MB in the end (delta: -74.8 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. [2021-08-13 02:11:30,654 INFO L168 Benchmark]: TraceAbstraction took 561670.52 ms. Allocated memory was 230.7 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 190.7 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-08-13 02:11:30,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 127.9 MB. Free memory was 108.8 MB in the beginning and 108.7 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 910.35 ms. Allocated memory is still 170.9 MB. Free memory was 151.0 MB in the beginning and 122.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 59.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 114.20 ms. Allocated memory is still 170.9 MB. Free memory was 122.7 MB in the beginning and 119.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 82.75 ms. Allocated memory is still 170.9 MB. Free memory was 119.6 MB in the beginning and 116.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 664.30 ms. Allocated memory was 170.9 MB in the beginning and 230.7 MB in the end (delta: 59.8 MB). Free memory was 116.4 MB in the beginning and 191.2 MB in the end (delta: -74.8 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 561670.52 ms. Allocated memory was 230.7 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 190.7 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 294530 conditions, 15679 events (5454/15678 cut-off events. For 822055/1110528 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 184430 event pairs, 524 based on Foata normal form. 94/15681 useless extension candidates. Maximal degree in co-relation 218428. Up to 10046 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 294530 conditions, 15679 events (5454/15678 cut-off events. For 822055/1110528 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 184430 event pairs, 524 based on Foata normal form. 94/15681 useless extension candidates. Maximal degree in co-relation 218428. Up to 10046 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 294530 conditions, 15679 events (5454/15678 cut-off events. For 822055/1110528 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 184430 event pairs, 524 based on Foata normal form. 94/15681 useless extension candidates. Maximal degree in co-relation 218428. Up to 10046 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 294530 conditions, 15679 events (5454/15678 cut-off events. For 822055/1110528 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 184430 event pairs, 524 based on Foata normal form. 94/15681 useless extension candidates. Maximal degree in co-relation 218428. Up to 10046 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 294530 conditions, 15679 events (5454/15678 cut-off events. For 822055/1110528 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 184430 event pairs, 524 based on Foata normal form. 94/15681 useless extension candidates. Maximal degree in co-relation 218428. Up to 10046 conditions per place.). - TimeoutResultAtElement [Line: 1675]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (18states, 65/162 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 294530 conditions, 15679 events (5454/15678 cut-off events. For 822055/1110528 co-relation queries the response was YES. Maximal size of possible extension queue 952. Compared 184430 event pairs, 524 based on Foata normal form. 94/15681 useless extension candidates. Maximal degree in co-relation 218428. Up to 10046 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 164 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 561585.0ms, OverallIterations: 29, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 551626.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 97.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2363 SDtfs, 9883 SDslu, 13527 SDs, 0 SdLazy, 18031 SolverSat, 1218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9734.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 891 GetRequests, 86 SyntacticMatches, 15 SemanticMatches, 790 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3562 ImplicationChecksByTransitivity, 22326.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=268984occurred in iteration=28, InterpolantAutomatonStates: 528, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 94.3ms SsaConstructionTime, 742.1ms SatisfiabilityAnalysisTime, 8511.0ms InterpolantComputationTime, 2802 NumberOfCodeBlocks, 2802 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2773 ConstructedInterpolants, 0 QuantifiedInterpolants, 35584 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown