/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 12:17:08,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 12:17:08,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 12:17:08,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 12:17:08,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 12:17:08,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 12:17:08,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 12:17:08,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 12:17:08,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 12:17:08,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 12:17:08,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 12:17:08,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 12:17:08,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 12:17:08,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 12:17:08,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 12:17:08,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 12:17:08,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 12:17:08,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 12:17:08,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 12:17:08,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 12:17:08,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 12:17:08,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 12:17:08,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 12:17:08,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 12:17:08,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 12:17:08,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 12:17:08,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 12:17:08,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 12:17:08,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 12:17:08,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 12:17:08,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 12:17:08,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 12:17:08,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 12:17:08,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 12:17:08,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 12:17:08,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 12:17:08,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 12:17:08,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 12:17:08,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 12:17:08,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 12:17:08,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 12:17:08,902 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.epf [2021-06-10 12:17:08,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 12:17:08,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 12:17:08,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 12:17:08,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 12:17:08,942 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 12:17:08,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 12:17:08,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 12:17:08,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 12:17:08,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 12:17:08,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 12:17:08,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 12:17:08,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 12:17:08,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 12:17:08,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 12:17:08,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 12:17:08,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 12:17:08,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 12:17:08,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 12:17:08,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 12:17:08,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 12:17:08,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 12:17:08,946 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 12:17:08,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 12:17:08,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 12:17:09,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 12:17:09,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 12:17:09,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 12:17:09,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 12:17:09,235 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 12:17:09,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i [2021-06-10 12:17:09,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c58edfe/8ec36f750d6747afab14b303ee590c7f/FLAG776fc04b0 [2021-06-10 12:17:10,042 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 12:17:10,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i [2021-06-10 12:17:10,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c58edfe/8ec36f750d6747afab14b303ee590c7f/FLAG776fc04b0 [2021-06-10 12:17:10,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c58edfe/8ec36f750d6747afab14b303ee590c7f [2021-06-10 12:17:10,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 12:17:10,152 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 12:17:10,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 12:17:10,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 12:17:10,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 12:17:10,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3214b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10, skipping insertion in model container [2021-06-10 12:17:10,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 12:17:10,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 12:17:10,412 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i[948,961] [2021-06-10 12:17:10,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 12:17:10,652 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 12:17:10,660 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i[948,961] [2021-06-10 12:17:10,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 12:17:10,759 INFO L208 MainTranslator]: Completed translation [2021-06-10 12:17:10,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10 WrapperNode [2021-06-10 12:17:10,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 12:17:10,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 12:17:10,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 12:17:10,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 12:17:10,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 12:17:10,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 12:17:10,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 12:17:10,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 12:17:10,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (1/1) ... [2021-06-10 12:17:10,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 12:17:10,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 12:17:10,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 12:17:10,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 12:17:10,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (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 [2021-06-10 12:17:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 12:17:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 12:17:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 12:17:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 12:17:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 12:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 12:17:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 12:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 12:17:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-10 12:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-10 12:17:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-10 12:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-10 12:17:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 12:17:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 12:17:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 12:17:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 12:17:10,914 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 12:17:12,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 12:17:12,675 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 12:17:12,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:17:12 BoogieIcfgContainer [2021-06-10 12:17:12,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 12:17:12,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 12:17:12,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 12:17:12,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 12:17:12,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 12:17:10" (1/3) ... [2021-06-10 12:17:12,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478449cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:17:12, skipping insertion in model container [2021-06-10 12:17:12,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:17:10" (2/3) ... [2021-06-10 12:17:12,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478449cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:17:12, skipping insertion in model container [2021-06-10 12:17:12,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:17:12" (3/3) ... [2021-06-10 12:17:12,684 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_tso.opt.i [2021-06-10 12:17:12,689 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 12:17:12,693 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 12:17:12,694 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 12:17:12,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,743 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,748 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,749 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,755 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,755 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,755 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,755 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:17:12,757 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 12:17:12,773 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-10 12:17:12,790 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 12:17:12,790 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 12:17:12,790 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 12:17:12,790 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 12:17:12,790 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 12:17:12,791 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 12:17:12,791 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 12:17:12,791 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 12:17:12,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-06-10 12:17:12,860 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-06-10 12:17:12,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:17:12,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-10 12:17:12,864 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-06-10 12:17:12,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-06-10 12:17:12,888 INFO L129 PetriNetUnfolder]: 0/77 cut-off events. [2021-06-10 12:17:12,888 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:17:12,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:12,889 INFO L263 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] [2021-06-10 12:17:12,889 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:12,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:12,895 INFO L82 PathProgramCache]: Analyzing trace with hash -411008423, now seen corresponding path program 1 times [2021-06-10 12:17:12,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:12,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028712294] [2021-06-10 12:17:12,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:13,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:13,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:13,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028712294] [2021-06-10 12:17:13,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:13,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 12:17:13,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418788949] [2021-06-10 12:17:13,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 12:17:13,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:13,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 12:17:13,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 12:17:13,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 117 [2021-06-10 12:17:13,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 113 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:13,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 117 [2021-06-10 12:17:13,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:13,307 INFO L129 PetriNetUnfolder]: 16/237 cut-off events. [2021-06-10 12:17:13,308 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:17:13,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 237 events. 16/237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 744 event pairs, 6 based on Foata normal form. 10/237 useless extension candidates. Maximal degree in co-relation 233. Up to 27 conditions per place. [2021-06-10 12:17:13,311 INFO L132 encePairwiseOnDemand]: 112/117 looper letters, 7 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2021-06-10 12:17:13,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 112 transitions, 254 flow [2021-06-10 12:17:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 12:17:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 12:17:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2021-06-10 12:17:13,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9544159544159544 [2021-06-10 12:17:13,323 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2021-06-10 12:17:13,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2021-06-10 12:17:13,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:13,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2021-06-10 12:17:13,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,334 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,336 INFO L185 Difference]: Start difference. First operand has 124 places, 113 transitions, 238 flow. Second operand 3 states and 335 transitions. [2021-06-10 12:17:13,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 112 transitions, 254 flow [2021-06-10 12:17:13,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 112 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-10 12:17:13,342 INFO L241 Difference]: Finished difference. Result has 120 places, 109 transitions, 230 flow [2021-06-10 12:17:13,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=120, PETRI_TRANSITIONS=109} [2021-06-10 12:17:13,344 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -4 predicate places. [2021-06-10 12:17:13,344 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 109 transitions, 230 flow [2021-06-10 12:17:13,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:13,345 INFO L263 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] [2021-06-10 12:17:13,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 12:17:13,345 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:13,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:13,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2065387939, now seen corresponding path program 1 times [2021-06-10 12:17:13,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:13,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000278269] [2021-06-10 12:17:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:13,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:13,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:13,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:13,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:13,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:13,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:13,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000278269] [2021-06-10 12:17:13,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:13,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:17:13,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140991753] [2021-06-10 12:17:13,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:17:13,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:13,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:17:13,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:17:13,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 117 [2021-06-10 12:17:13,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 109 transitions, 230 flow. Second operand has 6 states, 6 states have (on average 106.16666666666667) internal successors, (637), 6 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:13,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 117 [2021-06-10 12:17:13,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:13,775 INFO L129 PetriNetUnfolder]: 4/150 cut-off events. [2021-06-10 12:17:13,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:17:13,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 150 events. 4/150 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 240 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 135. Up to 8 conditions per place. [2021-06-10 12:17:13,777 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 6 selfloop transitions, 2 changer transitions 25/121 dead transitions. [2021-06-10 12:17:13,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 121 transitions, 296 flow [2021-06-10 12:17:13,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 12:17:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 12:17:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 968 transitions. [2021-06-10 12:17:13,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9192782526115859 [2021-06-10 12:17:13,785 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 968 transitions. [2021-06-10 12:17:13,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 968 transitions. [2021-06-10 12:17:13,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:13,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 968 transitions. [2021-06-10 12:17:13,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 107.55555555555556) internal successors, (968), 9 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,795 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,795 INFO L185 Difference]: Start difference. First operand has 120 places, 109 transitions, 230 flow. Second operand 9 states and 968 transitions. [2021-06-10 12:17:13,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 121 transitions, 296 flow [2021-06-10 12:17:13,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 121 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 12:17:13,798 INFO L241 Difference]: Finished difference. Result has 133 places, 96 transitions, 220 flow [2021-06-10 12:17:13,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=220, PETRI_PLACES=133, PETRI_TRANSITIONS=96} [2021-06-10 12:17:13,799 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 9 predicate places. [2021-06-10 12:17:13,799 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 96 transitions, 220 flow [2021-06-10 12:17:13,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 106.16666666666667) internal successors, (637), 6 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:13,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:13,800 INFO L263 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] [2021-06-10 12:17:13,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 12:17:13,800 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:13,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:13,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1364409114, now seen corresponding path program 1 times [2021-06-10 12:17:13,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:13,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477308020] [2021-06-10 12:17:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:13,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:13,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:13,974 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:13,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:14,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:14,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477308020] [2021-06-10 12:17:14,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:14,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:17:14,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147359925] [2021-06-10 12:17:14,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:17:14,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:14,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:17:14,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:17:14,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 117 [2021-06-10 12:17:14,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 96 transitions, 220 flow. Second operand has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:14,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 117 [2021-06-10 12:17:14,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:14,166 INFO L129 PetriNetUnfolder]: 24/182 cut-off events. [2021-06-10 12:17:14,166 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-06-10 12:17:14,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 182 events. 24/182 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 537 event pairs, 5 based on Foata normal form. 4/184 useless extension candidates. Maximal degree in co-relation 272. Up to 31 conditions per place. [2021-06-10 12:17:14,168 INFO L132 encePairwiseOnDemand]: 110/117 looper letters, 8 selfloop transitions, 3 changer transitions 19/117 dead transitions. [2021-06-10 12:17:14,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 117 transitions, 340 flow [2021-06-10 12:17:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 12:17:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 12:17:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 968 transitions. [2021-06-10 12:17:14,172 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9192782526115859 [2021-06-10 12:17:14,172 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 968 transitions. [2021-06-10 12:17:14,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 968 transitions. [2021-06-10 12:17:14,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:14,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 968 transitions. [2021-06-10 12:17:14,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 107.55555555555556) internal successors, (968), 9 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,179 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,179 INFO L185 Difference]: Start difference. First operand has 133 places, 96 transitions, 220 flow. Second operand 9 states and 968 transitions. [2021-06-10 12:17:14,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 117 transitions, 340 flow [2021-06-10 12:17:14,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 117 transitions, 308 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-06-10 12:17:14,183 INFO L241 Difference]: Finished difference. Result has 121 places, 98 transitions, 247 flow [2021-06-10 12:17:14,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=247, PETRI_PLACES=121, PETRI_TRANSITIONS=98} [2021-06-10 12:17:14,184 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2021-06-10 12:17:14,184 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 98 transitions, 247 flow [2021-06-10 12:17:14,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:14,185 INFO L263 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] [2021-06-10 12:17:14,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 12:17:14,185 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:14,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:14,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1406308545, now seen corresponding path program 1 times [2021-06-10 12:17:14,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:14,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143940317] [2021-06-10 12:17:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:14,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:14,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:14,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:14,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 12:17:14,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 12:17:14,374 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-06-10 12:17:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 12:17:14,409 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-06-10 12:17:14,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 12:17:14,444 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:14,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:14,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:14,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143940317] [2021-06-10 12:17:14,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:14,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 12:17:14,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652525924] [2021-06-10 12:17:14,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 12:17:14,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:14,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 12:17:14,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-10 12:17:14,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2021-06-10 12:17:14,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 98 transitions, 247 flow. Second operand has 11 states, 11 states have (on average 97.18181818181819) internal successors, (1069), 11 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:14,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2021-06-10 12:17:14,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:14,897 INFO L129 PetriNetUnfolder]: 173/493 cut-off events. [2021-06-10 12:17:14,898 INFO L130 PetriNetUnfolder]: For 411/412 co-relation queries the response was YES. [2021-06-10 12:17:14,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 493 events. 173/493 cut-off events. For 411/412 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2509 event pairs, 57 based on Foata normal form. 14/488 useless extension candidates. Maximal degree in co-relation 1065. Up to 162 conditions per place. [2021-06-10 12:17:14,904 INFO L132 encePairwiseOnDemand]: 105/117 looper letters, 13 selfloop transitions, 9 changer transitions 22/126 dead transitions. [2021-06-10 12:17:14,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 126 transitions, 411 flow [2021-06-10 12:17:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-10 12:17:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-10 12:17:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1390 transitions. [2021-06-10 12:17:14,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8485958485958486 [2021-06-10 12:17:14,914 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1390 transitions. [2021-06-10 12:17:14,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1390 transitions. [2021-06-10 12:17:14,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:14,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1390 transitions. [2021-06-10 12:17:14,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 99.28571428571429) internal successors, (1390), 14 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,923 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,923 INFO L185 Difference]: Start difference. First operand has 121 places, 98 transitions, 247 flow. Second operand 14 states and 1390 transitions. [2021-06-10 12:17:14,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 126 transitions, 411 flow [2021-06-10 12:17:14,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 126 transitions, 394 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-10 12:17:14,929 INFO L241 Difference]: Finished difference. Result has 132 places, 102 transitions, 296 flow [2021-06-10 12:17:14,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=296, PETRI_PLACES=132, PETRI_TRANSITIONS=102} [2021-06-10 12:17:14,930 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 8 predicate places. [2021-06-10 12:17:14,930 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 102 transitions, 296 flow [2021-06-10 12:17:14,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 97.18181818181819) internal successors, (1069), 11 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:14,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:14,931 INFO L263 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] [2021-06-10 12:17:14,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 12:17:14,931 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2010803649, now seen corresponding path program 1 times [2021-06-10 12:17:14,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:14,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238880254] [2021-06-10 12:17:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:15,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:15,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:15,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:15,110 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-06-10 12:17:15,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 12:17:15,124 INFO L142 QuantifierPusher]: treesize reduction 21, result has 75.0 percent of original size [2021-06-10 12:17:15,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-06-10 12:17:15,165 INFO L142 QuantifierPusher]: treesize reduction 47, result has 64.1 percent of original size [2021-06-10 12:17:15,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 12:17:15,208 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:15,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:15,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:15,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:15,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238880254] [2021-06-10 12:17:15,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:15,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-10 12:17:15,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66475639] [2021-06-10 12:17:15,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 12:17:15,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:15,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 12:17:15,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-10 12:17:15,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 117 [2021-06-10 12:17:15,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 102 transitions, 296 flow. Second operand has 9 states, 9 states have (on average 98.44444444444444) internal successors, (886), 9 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:15,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:15,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 117 [2021-06-10 12:17:15,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:15,633 INFO L129 PetriNetUnfolder]: 148/445 cut-off events. [2021-06-10 12:17:15,633 INFO L130 PetriNetUnfolder]: For 853/858 co-relation queries the response was YES. [2021-06-10 12:17:15,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 445 events. 148/445 cut-off events. For 853/858 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2164 event pairs, 31 based on Foata normal form. 9/442 useless extension candidates. Maximal degree in co-relation 1221. Up to 158 conditions per place. [2021-06-10 12:17:15,640 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 17 selfloop transitions, 10 changer transitions 19/129 dead transitions. [2021-06-10 12:17:15,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 129 transitions, 530 flow [2021-06-10 12:17:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-10 12:17:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-10 12:17:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1209 transitions. [2021-06-10 12:17:15,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2021-06-10 12:17:15,645 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1209 transitions. [2021-06-10 12:17:15,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1209 transitions. [2021-06-10 12:17:15,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:15,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1209 transitions. [2021-06-10 12:17:15,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 100.75) internal successors, (1209), 12 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:15,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:15,651 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:15,651 INFO L185 Difference]: Start difference. First operand has 132 places, 102 transitions, 296 flow. Second operand 12 states and 1209 transitions. [2021-06-10 12:17:15,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 129 transitions, 530 flow [2021-06-10 12:17:15,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 129 transitions, 508 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-06-10 12:17:15,658 INFO L241 Difference]: Finished difference. Result has 138 places, 107 transitions, 363 flow [2021-06-10 12:17:15,659 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=363, PETRI_PLACES=138, PETRI_TRANSITIONS=107} [2021-06-10 12:17:15,659 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 14 predicate places. [2021-06-10 12:17:15,659 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 107 transitions, 363 flow [2021-06-10 12:17:15,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 98.44444444444444) internal successors, (886), 9 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:15,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:15,659 INFO L263 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] [2021-06-10 12:17:15,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 12:17:15,660 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:15,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:15,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1036513459, now seen corresponding path program 2 times [2021-06-10 12:17:15,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:15,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978670617] [2021-06-10 12:17:15,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:15,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:15,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:15,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 12:17:15,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 12:17:15,824 INFO L142 QuantifierPusher]: treesize reduction 21, result has 75.0 percent of original size [2021-06-10 12:17:15,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-06-10 12:17:15,864 INFO L142 QuantifierPusher]: treesize reduction 47, result has 64.1 percent of original size [2021-06-10 12:17:15,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 12:17:15,904 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:15,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:15,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:15,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978670617] [2021-06-10 12:17:15,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:15,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 12:17:15,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843313932] [2021-06-10 12:17:15,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 12:17:15,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:15,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 12:17:15,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-10 12:17:15,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2021-06-10 12:17:15,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 107 transitions, 363 flow. Second operand has 11 states, 11 states have (on average 97.27272727272727) internal successors, (1070), 11 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:15,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:15,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2021-06-10 12:17:15,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:16,411 INFO L129 PetriNetUnfolder]: 147/476 cut-off events. [2021-06-10 12:17:16,411 INFO L130 PetriNetUnfolder]: For 2320/2379 co-relation queries the response was YES. [2021-06-10 12:17:16,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1876 conditions, 476 events. 147/476 cut-off events. For 2320/2379 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2418 event pairs, 21 based on Foata normal form. 15/479 useless extension candidates. Maximal degree in co-relation 1799. Up to 160 conditions per place. [2021-06-10 12:17:16,419 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 17 selfloop transitions, 14 changer transitions 19/132 dead transitions. [2021-06-10 12:17:16,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 132 transitions, 753 flow [2021-06-10 12:17:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 12:17:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 12:17:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1293 transitions. [2021-06-10 12:17:16,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8500986193293886 [2021-06-10 12:17:16,422 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1293 transitions. [2021-06-10 12:17:16,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1293 transitions. [2021-06-10 12:17:16,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:16,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1293 transitions. [2021-06-10 12:17:16,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 99.46153846153847) internal successors, (1293), 13 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:16,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:16,429 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:16,429 INFO L185 Difference]: Start difference. First operand has 138 places, 107 transitions, 363 flow. Second operand 13 states and 1293 transitions. [2021-06-10 12:17:16,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 132 transitions, 753 flow [2021-06-10 12:17:16,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 132 transitions, 721 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-06-10 12:17:16,436 INFO L241 Difference]: Finished difference. Result has 146 places, 111 transitions, 445 flow [2021-06-10 12:17:16,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=445, PETRI_PLACES=146, PETRI_TRANSITIONS=111} [2021-06-10 12:17:16,436 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 22 predicate places. [2021-06-10 12:17:16,436 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 111 transitions, 445 flow [2021-06-10 12:17:16,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 97.27272727272727) internal successors, (1070), 11 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:16,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:16,437 INFO L263 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] [2021-06-10 12:17:16,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 12:17:16,437 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:16,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:16,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1079678807, now seen corresponding path program 3 times [2021-06-10 12:17:16,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:16,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183961902] [2021-06-10 12:17:16,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:16,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:16,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:16,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:16,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 12:17:16,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 12:17:16,535 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-06-10 12:17:16,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 12:17:16,561 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-06-10 12:17:16,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-10 12:17:16,618 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.4 percent of original size [2021-06-10 12:17:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-10 12:17:16,652 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:16,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:16,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:16,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:16,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:16,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:16,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183961902] [2021-06-10 12:17:16,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:16,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 12:17:16,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239912008] [2021-06-10 12:17:16,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 12:17:16,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:16,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 12:17:16,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-10 12:17:16,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2021-06-10 12:17:16,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 111 transitions, 445 flow. Second operand has 12 states, 12 states have (on average 96.25) internal successors, (1155), 12 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:16,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:16,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2021-06-10 12:17:16,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:17,087 INFO L129 PetriNetUnfolder]: 245/663 cut-off events. [2021-06-10 12:17:17,088 INFO L130 PetriNetUnfolder]: For 7243/7329 co-relation queries the response was YES. [2021-06-10 12:17:17,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3505 conditions, 663 events. 245/663 cut-off events. For 7243/7329 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3729 event pairs, 34 based on Foata normal form. 23/671 useless extension candidates. Maximal degree in co-relation 3421. Up to 199 conditions per place. [2021-06-10 12:17:17,101 INFO L132 encePairwiseOnDemand]: 103/117 looper letters, 31 selfloop transitions, 21 changer transitions 10/143 dead transitions. [2021-06-10 12:17:17,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 143 transitions, 944 flow [2021-06-10 12:17:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 12:17:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 12:17:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1286 transitions. [2021-06-10 12:17:17,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8454963839579224 [2021-06-10 12:17:17,105 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1286 transitions. [2021-06-10 12:17:17,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1286 transitions. [2021-06-10 12:17:17,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:17,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1286 transitions. [2021-06-10 12:17:17,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 98.92307692307692) internal successors, (1286), 13 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,112 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,112 INFO L185 Difference]: Start difference. First operand has 146 places, 111 transitions, 445 flow. Second operand 13 states and 1286 transitions. [2021-06-10 12:17:17,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 143 transitions, 944 flow [2021-06-10 12:17:17,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 143 transitions, 773 flow, removed 84 selfloop flow, removed 11 redundant places. [2021-06-10 12:17:17,122 INFO L241 Difference]: Finished difference. Result has 148 places, 120 transitions, 544 flow [2021-06-10 12:17:17,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=544, PETRI_PLACES=148, PETRI_TRANSITIONS=120} [2021-06-10 12:17:17,122 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 24 predicate places. [2021-06-10 12:17:17,123 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 120 transitions, 544 flow [2021-06-10 12:17:17,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 96.25) internal successors, (1155), 12 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:17,123 INFO L263 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] [2021-06-10 12:17:17,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 12:17:17,124 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:17,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:17,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1390506869, now seen corresponding path program 4 times [2021-06-10 12:17:17,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:17,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627788963] [2021-06-10 12:17:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:17,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:17,198 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-10 12:17:17,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-10 12:17:17,215 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-10 12:17:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 12:17:17,238 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-06-10 12:17:17,239 INFO L147 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size 43 [2021-06-10 12:17:17,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:17,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:17,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:17,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:17,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627788963] [2021-06-10 12:17:17,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:17,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-10 12:17:17,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799286053] [2021-06-10 12:17:17,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-10 12:17:17,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:17,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-10 12:17:17,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-10 12:17:17,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2021-06-10 12:17:17,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 120 transitions, 544 flow. Second operand has 10 states, 10 states have (on average 97.4) internal successors, (974), 10 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:17,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2021-06-10 12:17:17,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:17,749 INFO L129 PetriNetUnfolder]: 258/771 cut-off events. [2021-06-10 12:17:17,749 INFO L130 PetriNetUnfolder]: For 4788/5055 co-relation queries the response was YES. [2021-06-10 12:17:17,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3605 conditions, 771 events. 258/771 cut-off events. For 4788/5055 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4940 event pairs, 37 based on Foata normal form. 37/792 useless extension candidates. Maximal degree in co-relation 3520. Up to 239 conditions per place. [2021-06-10 12:17:17,761 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 30 selfloop transitions, 15 changer transitions 19/146 dead transitions. [2021-06-10 12:17:17,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 146 transitions, 980 flow [2021-06-10 12:17:17,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-10 12:17:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-10 12:17:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1199 transitions. [2021-06-10 12:17:17,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.853988603988604 [2021-06-10 12:17:17,764 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1199 transitions. [2021-06-10 12:17:17,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1199 transitions. [2021-06-10 12:17:17,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:17,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1199 transitions. [2021-06-10 12:17:17,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 99.91666666666667) internal successors, (1199), 12 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,770 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,771 INFO L185 Difference]: Start difference. First operand has 148 places, 120 transitions, 544 flow. Second operand 12 states and 1199 transitions. [2021-06-10 12:17:17,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 146 transitions, 980 flow [2021-06-10 12:17:17,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 937 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-06-10 12:17:17,780 INFO L241 Difference]: Finished difference. Result has 155 places, 122 transitions, 615 flow [2021-06-10 12:17:17,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=615, PETRI_PLACES=155, PETRI_TRANSITIONS=122} [2021-06-10 12:17:17,781 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 31 predicate places. [2021-06-10 12:17:17,781 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 122 transitions, 615 flow [2021-06-10 12:17:17,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 97.4) internal successors, (974), 10 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:17,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:17,781 INFO L263 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] [2021-06-10 12:17:17,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 12:17:17,781 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:17,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:17,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1556099970, now seen corresponding path program 1 times [2021-06-10 12:17:17,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:17,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249986379] [2021-06-10 12:17:17,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:17,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:17,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:17,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:17,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 12:17:17,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 12:17:17,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 12:17:17,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:17,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:17,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 12:17:17,947 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-06-10 12:17:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 12:17:17,986 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-06-10 12:17:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 12:17:18,021 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:18,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:18,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:18,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:18,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:18,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249986379] [2021-06-10 12:17:18,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:18,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-10 12:17:18,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596122723] [2021-06-10 12:17:18,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 12:17:18,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:18,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 12:17:18,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-06-10 12:17:18,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-06-10 12:17:18,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 122 transitions, 615 flow. Second operand has 14 states, 14 states have (on average 95.21428571428571) internal successors, (1333), 14 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:18,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:18,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-06-10 12:17:18,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:18,575 INFO L129 PetriNetUnfolder]: 184/597 cut-off events. [2021-06-10 12:17:18,575 INFO L130 PetriNetUnfolder]: For 5570/5801 co-relation queries the response was YES. [2021-06-10 12:17:18,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 597 events. 184/597 cut-off events. For 5570/5801 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3452 event pairs, 41 based on Foata normal form. 25/607 useless extension candidates. Maximal degree in co-relation 2998. Up to 268 conditions per place. [2021-06-10 12:17:18,587 INFO L132 encePairwiseOnDemand]: 105/117 looper letters, 30 selfloop transitions, 15 changer transitions 10/135 dead transitions. [2021-06-10 12:17:18,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 135 transitions, 897 flow [2021-06-10 12:17:18,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 12:17:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 12:17:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1448 transitions. [2021-06-10 12:17:18,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8250712250712251 [2021-06-10 12:17:18,590 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1448 transitions. [2021-06-10 12:17:18,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1448 transitions. [2021-06-10 12:17:18,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:18,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1448 transitions. [2021-06-10 12:17:18,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 96.53333333333333) internal successors, (1448), 15 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:18,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 117.0) internal successors, (1872), 16 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:18,598 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 117.0) internal successors, (1872), 16 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:18,598 INFO L185 Difference]: Start difference. First operand has 155 places, 122 transitions, 615 flow. Second operand 15 states and 1448 transitions. [2021-06-10 12:17:18,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 135 transitions, 897 flow [2021-06-10 12:17:18,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 135 transitions, 812 flow, removed 38 selfloop flow, removed 9 redundant places. [2021-06-10 12:17:18,608 INFO L241 Difference]: Finished difference. Result has 161 places, 123 transitions, 646 flow [2021-06-10 12:17:18,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=646, PETRI_PLACES=161, PETRI_TRANSITIONS=123} [2021-06-10 12:17:18,608 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 37 predicate places. [2021-06-10 12:17:18,608 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 123 transitions, 646 flow [2021-06-10 12:17:18,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 95.21428571428571) internal successors, (1333), 14 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:18,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:18,609 INFO L263 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] [2021-06-10 12:17:18,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 12:17:18,610 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:18,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:18,610 INFO L82 PathProgramCache]: Analyzing trace with hash 681244158, now seen corresponding path program 2 times [2021-06-10 12:17:18,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:18,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109489284] [2021-06-10 12:17:18,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:18,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:18,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:18,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:18,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 12:17:18,742 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-06-10 12:17:18,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 12:17:18,761 INFO L142 QuantifierPusher]: treesize reduction 25, result has 75.0 percent of original size [2021-06-10 12:17:18,763 INFO L147 QuantifierPusher]: treesize reduction 18, result has 76.0 percent of original size 57 [2021-06-10 12:17:18,803 INFO L142 QuantifierPusher]: treesize reduction 25, result has 75.7 percent of original size [2021-06-10 12:17:18,805 INFO L147 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size 60 [2021-06-10 12:17:18,850 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.7 percent of original size [2021-06-10 12:17:18,851 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size 34 [2021-06-10 12:17:18,880 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:18,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:18,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:18,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:18,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109489284] [2021-06-10 12:17:18,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:18,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 12:17:18,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415015442] [2021-06-10 12:17:18,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 12:17:18,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:18,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 12:17:18,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-10 12:17:18,938 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-06-10 12:17:18,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 123 transitions, 646 flow. Second operand has 12 states, 12 states have (on average 95.41666666666667) internal successors, (1145), 12 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:18,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:18,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-06-10 12:17:18,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:19,550 INFO L129 PetriNetUnfolder]: 172/691 cut-off events. [2021-06-10 12:17:19,550 INFO L130 PetriNetUnfolder]: For 5050/5281 co-relation queries the response was YES. [2021-06-10 12:17:19,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3219 conditions, 691 events. 172/691 cut-off events. For 5050/5281 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4605 event pairs, 8 based on Foata normal form. 28/704 useless extension candidates. Maximal degree in co-relation 3126. Up to 169 conditions per place. [2021-06-10 12:17:19,562 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 37 selfloop transitions, 26 changer transitions 11/154 dead transitions. [2021-06-10 12:17:19,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 154 transitions, 1175 flow [2021-06-10 12:17:19,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 12:17:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 12:17:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1461 transitions. [2021-06-10 12:17:19,567 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8324786324786325 [2021-06-10 12:17:19,567 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1461 transitions. [2021-06-10 12:17:19,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1461 transitions. [2021-06-10 12:17:19,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:19,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1461 transitions. [2021-06-10 12:17:19,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 97.4) internal successors, (1461), 15 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:19,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 117.0) internal successors, (1872), 16 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:19,575 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 117.0) internal successors, (1872), 16 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:19,575 INFO L185 Difference]: Start difference. First operand has 161 places, 123 transitions, 646 flow. Second operand 15 states and 1461 transitions. [2021-06-10 12:17:19,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 154 transitions, 1175 flow [2021-06-10 12:17:19,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 154 transitions, 1039 flow, removed 56 selfloop flow, removed 13 redundant places. [2021-06-10 12:17:19,589 INFO L241 Difference]: Finished difference. Result has 164 places, 128 transitions, 726 flow [2021-06-10 12:17:19,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=726, PETRI_PLACES=164, PETRI_TRANSITIONS=128} [2021-06-10 12:17:19,590 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 40 predicate places. [2021-06-10 12:17:19,590 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 128 transitions, 726 flow [2021-06-10 12:17:19,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 95.41666666666667) internal successors, (1145), 12 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:19,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:19,591 INFO L263 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] [2021-06-10 12:17:19,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 12:17:19,591 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:19,593 INFO L82 PathProgramCache]: Analyzing trace with hash 935284090, now seen corresponding path program 3 times [2021-06-10 12:17:19,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:19,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533161176] [2021-06-10 12:17:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:19,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:19,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:19,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:19,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 12:17:19,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 12:17:19,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:19,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 12:17:19,759 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.4 percent of original size [2021-06-10 12:17:19,760 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.9 percent of original size 47 [2021-06-10 12:17:19,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:19,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:19,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:19,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:19,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:19,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533161176] [2021-06-10 12:17:19,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:19,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 12:17:19,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580279452] [2021-06-10 12:17:19,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 12:17:19,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:19,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 12:17:19,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-06-10 12:17:19,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-06-10 12:17:19,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 128 transitions, 726 flow. Second operand has 12 states, 12 states have (on average 95.41666666666667) internal successors, (1145), 12 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:19,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:19,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-06-10 12:17:19,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:20,228 INFO L129 PetriNetUnfolder]: 144/639 cut-off events. [2021-06-10 12:17:20,229 INFO L130 PetriNetUnfolder]: For 3964/4233 co-relation queries the response was YES. [2021-06-10 12:17:20,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2853 conditions, 639 events. 144/639 cut-off events. For 3964/4233 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4216 event pairs, 15 based on Foata normal form. 37/661 useless extension candidates. Maximal degree in co-relation 2761. Up to 159 conditions per place. [2021-06-10 12:17:20,238 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 36 selfloop transitions, 17 changer transitions 10/143 dead transitions. [2021-06-10 12:17:20,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 143 transitions, 1020 flow [2021-06-10 12:17:20,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 12:17:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 12:17:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1262 transitions. [2021-06-10 12:17:20,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8297172912557528 [2021-06-10 12:17:20,241 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1262 transitions. [2021-06-10 12:17:20,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1262 transitions. [2021-06-10 12:17:20,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:20,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1262 transitions. [2021-06-10 12:17:20,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 97.07692307692308) internal successors, (1262), 13 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:20,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:20,259 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:20,259 INFO L185 Difference]: Start difference. First operand has 164 places, 128 transitions, 726 flow. Second operand 13 states and 1262 transitions. [2021-06-10 12:17:20,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 143 transitions, 1020 flow [2021-06-10 12:17:20,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 143 transitions, 948 flow, removed 27 selfloop flow, removed 11 redundant places. [2021-06-10 12:17:20,304 INFO L241 Difference]: Finished difference. Result has 166 places, 128 transitions, 739 flow [2021-06-10 12:17:20,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=739, PETRI_PLACES=166, PETRI_TRANSITIONS=128} [2021-06-10 12:17:20,305 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 42 predicate places. [2021-06-10 12:17:20,305 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 128 transitions, 739 flow [2021-06-10 12:17:20,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 95.41666666666667) internal successors, (1145), 12 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:20,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:20,306 INFO L263 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] [2021-06-10 12:17:20,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 12:17:20,306 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:20,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1537550082, now seen corresponding path program 1 times [2021-06-10 12:17:20,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:20,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336629037] [2021-06-10 12:17:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:20,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:20,368 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 12:17:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 12:17:20,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:20,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:20,391 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-10 12:17:20,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:20,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:20,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:20,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336629037] [2021-06-10 12:17:20,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:20,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:17:20,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355491846] [2021-06-10 12:17:20,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:17:20,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:20,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:17:20,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:17:20,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 117 [2021-06-10 12:17:20,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 128 transitions, 739 flow. Second operand has 6 states, 6 states have (on average 103.16666666666667) internal successors, (619), 6 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:20,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:20,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 117 [2021-06-10 12:17:20,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:21,015 INFO L129 PetriNetUnfolder]: 1628/3789 cut-off events. [2021-06-10 12:17:21,015 INFO L130 PetriNetUnfolder]: For 12757/13290 co-relation queries the response was YES. [2021-06-10 12:17:21,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11655 conditions, 3789 events. 1628/3789 cut-off events. For 12757/13290 co-relation queries the response was YES. Maximal size of possible extension queue 506. Compared 34335 event pairs, 264 based on Foata normal form. 181/3596 useless extension candidates. Maximal degree in co-relation 11569. Up to 1074 conditions per place. [2021-06-10 12:17:21,080 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 23 selfloop transitions, 19 changer transitions 0/159 dead transitions. [2021-06-10 12:17:21,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 159 transitions, 885 flow [2021-06-10 12:17:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 12:17:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 12:17:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 962 transitions. [2021-06-10 12:17:21,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2021-06-10 12:17:21,082 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 962 transitions. [2021-06-10 12:17:21,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 962 transitions. [2021-06-10 12:17:21,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:21,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 962 transitions. [2021-06-10 12:17:21,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 106.88888888888889) internal successors, (962), 9 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,086 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,086 INFO L185 Difference]: Start difference. First operand has 166 places, 128 transitions, 739 flow. Second operand 9 states and 962 transitions. [2021-06-10 12:17:21,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 159 transitions, 885 flow [2021-06-10 12:17:21,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 159 transitions, 842 flow, removed 9 selfloop flow, removed 11 redundant places. [2021-06-10 12:17:21,116 INFO L241 Difference]: Finished difference. Result has 162 places, 145 transitions, 830 flow [2021-06-10 12:17:21,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=830, PETRI_PLACES=162, PETRI_TRANSITIONS=145} [2021-06-10 12:17:21,116 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 38 predicate places. [2021-06-10 12:17:21,116 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 145 transitions, 830 flow [2021-06-10 12:17:21,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.16666666666667) internal successors, (619), 6 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:21,117 INFO L263 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] [2021-06-10 12:17:21,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 12:17:21,117 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:21,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:21,117 INFO L82 PathProgramCache]: Analyzing trace with hash -2076858496, now seen corresponding path program 1 times [2021-06-10 12:17:21,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:21,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24640133] [2021-06-10 12:17:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:21,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:21,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:21,199 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 12:17:21,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 12:17:21,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:21,225 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-10 12:17:21,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:21,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:21,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24640133] [2021-06-10 12:17:21,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:21,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-10 12:17:21,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398555909] [2021-06-10 12:17:21,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 12:17:21,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:21,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 12:17:21,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 12:17:21,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 117 [2021-06-10 12:17:21,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 145 transitions, 830 flow. Second operand has 7 states, 7 states have (on average 103.14285714285714) internal successors, (722), 7 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:21,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 117 [2021-06-10 12:17:21,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:21,855 INFO L129 PetriNetUnfolder]: 1509/3562 cut-off events. [2021-06-10 12:17:21,855 INFO L130 PetriNetUnfolder]: For 12509/20242 co-relation queries the response was YES. [2021-06-10 12:17:21,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13634 conditions, 3562 events. 1509/3562 cut-off events. For 12509/20242 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 31853 event pairs, 56 based on Foata normal form. 413/3639 useless extension candidates. Maximal degree in co-relation 13550. Up to 1525 conditions per place. [2021-06-10 12:17:21,913 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 25 selfloop transitions, 37 changer transitions 0/179 dead transitions. [2021-06-10 12:17:21,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 179 transitions, 1183 flow [2021-06-10 12:17:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-10 12:17:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-10 12:17:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1284 transitions. [2021-06-10 12:17:21,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9145299145299145 [2021-06-10 12:17:21,918 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1284 transitions. [2021-06-10 12:17:21,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1284 transitions. [2021-06-10 12:17:21,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:21,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1284 transitions. [2021-06-10 12:17:21,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,922 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,922 INFO L185 Difference]: Start difference. First operand has 162 places, 145 transitions, 830 flow. Second operand 12 states and 1284 transitions. [2021-06-10 12:17:21,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 179 transitions, 1183 flow [2021-06-10 12:17:21,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 179 transitions, 1181 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 12:17:21,945 INFO L241 Difference]: Finished difference. Result has 177 places, 164 transitions, 1108 flow [2021-06-10 12:17:21,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1108, PETRI_PLACES=177, PETRI_TRANSITIONS=164} [2021-06-10 12:17:21,945 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 53 predicate places. [2021-06-10 12:17:21,945 INFO L480 AbstractCegarLoop]: Abstraction has has 177 places, 164 transitions, 1108 flow [2021-06-10 12:17:21,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 103.14285714285714) internal successors, (722), 7 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:21,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:21,946 INFO L263 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] [2021-06-10 12:17:21,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-10 12:17:21,946 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:21,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:21,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1717613077, now seen corresponding path program 1 times [2021-06-10 12:17:21,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:21,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354040528] [2021-06-10 12:17:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:21,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:21,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:21,993 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:21,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:22,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:22,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:22,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:22,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354040528] [2021-06-10 12:17:22,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:22,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:17:22,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185209205] [2021-06-10 12:17:22,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:17:22,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:22,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:17:22,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:17:22,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 117 [2021-06-10 12:17:22,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 164 transitions, 1108 flow. Second operand has 6 states, 6 states have (on average 105.33333333333333) internal successors, (632), 6 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:22,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:22,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 117 [2021-06-10 12:17:22,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:22,689 INFO L129 PetriNetUnfolder]: 1138/3909 cut-off events. [2021-06-10 12:17:22,689 INFO L130 PetriNetUnfolder]: For 22091/29206 co-relation queries the response was YES. [2021-06-10 12:17:22,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16960 conditions, 3909 events. 1138/3909 cut-off events. For 22091/29206 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 41197 event pairs, 158 based on Foata normal form. 225/3807 useless extension candidates. Maximal degree in co-relation 16869. Up to 1366 conditions per place. [2021-06-10 12:17:22,747 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 14 selfloop transitions, 11 changer transitions 4/178 dead transitions. [2021-06-10 12:17:22,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 178 transitions, 1258 flow [2021-06-10 12:17:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 12:17:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 12:17:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 962 transitions. [2021-06-10 12:17:22,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2021-06-10 12:17:22,752 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 962 transitions. [2021-06-10 12:17:22,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 962 transitions. [2021-06-10 12:17:22,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:22,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 962 transitions. [2021-06-10 12:17:22,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 106.88888888888889) internal successors, (962), 9 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:22,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:22,755 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 117.0) internal successors, (1170), 10 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:22,755 INFO L185 Difference]: Start difference. First operand has 177 places, 164 transitions, 1108 flow. Second operand 9 states and 962 transitions. [2021-06-10 12:17:22,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 178 transitions, 1258 flow [2021-06-10 12:17:22,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 178 transitions, 1155 flow, removed 42 selfloop flow, removed 4 redundant places. [2021-06-10 12:17:22,826 INFO L241 Difference]: Finished difference. Result has 188 places, 168 transitions, 1110 flow [2021-06-10 12:17:22,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=1011, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1110, PETRI_PLACES=188, PETRI_TRANSITIONS=168} [2021-06-10 12:17:22,827 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 64 predicate places. [2021-06-10 12:17:22,827 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 168 transitions, 1110 flow [2021-06-10 12:17:22,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 105.33333333333333) internal successors, (632), 6 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:22,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:22,827 INFO L263 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] [2021-06-10 12:17:22,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-10 12:17:22,828 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:22,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1607435583, now seen corresponding path program 1 times [2021-06-10 12:17:22,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:22,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708626183] [2021-06-10 12:17:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:22,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:22,909 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 12:17:22,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 12:17:22,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:22,933 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-10 12:17:22,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:22,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:22,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:22,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708626183] [2021-06-10 12:17:22,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:22,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-10 12:17:22,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364071545] [2021-06-10 12:17:22,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 12:17:22,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:22,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 12:17:22,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-10 12:17:22,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 117 [2021-06-10 12:17:22,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 168 transitions, 1110 flow. Second operand has 8 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:22,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:22,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 117 [2021-06-10 12:17:22,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:23,681 INFO L129 PetriNetUnfolder]: 1948/4341 cut-off events. [2021-06-10 12:17:23,681 INFO L130 PetriNetUnfolder]: For 35986/53855 co-relation queries the response was YES. [2021-06-10 12:17:23,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21395 conditions, 4341 events. 1948/4341 cut-off events. For 35986/53855 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 40124 event pairs, 14 based on Foata normal form. 592/4517 useless extension candidates. Maximal degree in co-relation 21298. Up to 1811 conditions per place. [2021-06-10 12:17:23,739 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 19 selfloop transitions, 51 changer transitions 21/191 dead transitions. [2021-06-10 12:17:23,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 191 transitions, 1509 flow [2021-06-10 12:17:23,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 12:17:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 12:17:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1602 transitions. [2021-06-10 12:17:23,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9128205128205128 [2021-06-10 12:17:23,742 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1602 transitions. [2021-06-10 12:17:23,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1602 transitions. [2021-06-10 12:17:23,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:23,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1602 transitions. [2021-06-10 12:17:23,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 106.8) internal successors, (1602), 15 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:23,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 117.0) internal successors, (1872), 16 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:23,747 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 117.0) internal successors, (1872), 16 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:23,747 INFO L185 Difference]: Start difference. First operand has 188 places, 168 transitions, 1110 flow. Second operand 15 states and 1602 transitions. [2021-06-10 12:17:23,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 191 transitions, 1509 flow [2021-06-10 12:17:23,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 191 transitions, 1410 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-06-10 12:17:23,826 INFO L241 Difference]: Finished difference. Result has 196 places, 165 transitions, 1165 flow [2021-06-10 12:17:23,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1165, PETRI_PLACES=196, PETRI_TRANSITIONS=165} [2021-06-10 12:17:23,827 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 72 predicate places. [2021-06-10 12:17:23,827 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 165 transitions, 1165 flow [2021-06-10 12:17:23,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:23,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:23,828 INFO L263 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] [2021-06-10 12:17:23,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-10 12:17:23,828 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:23,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:23,828 INFO L82 PathProgramCache]: Analyzing trace with hash -93614165, now seen corresponding path program 1 times [2021-06-10 12:17:23,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:23,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83537143] [2021-06-10 12:17:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:23,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:23,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:23,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:23,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:23,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:23,899 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 12:17:23,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 12:17:23,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:17:23,924 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-10 12:17:23,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:23,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:23,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:23,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83537143] [2021-06-10 12:17:23,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:23,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-10 12:17:23,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019149896] [2021-06-10 12:17:23,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 12:17:23,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:23,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 12:17:23,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-10 12:17:23,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 117 [2021-06-10 12:17:23,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 165 transitions, 1165 flow. Second operand has 9 states, 9 states have (on average 103.11111111111111) internal successors, (928), 9 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:23,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:23,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 117 [2021-06-10 12:17:23,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:24,714 INFO L129 PetriNetUnfolder]: 1553/3826 cut-off events. [2021-06-10 12:17:24,714 INFO L130 PetriNetUnfolder]: For 40400/67100 co-relation queries the response was YES. [2021-06-10 12:17:24,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21075 conditions, 3826 events. 1553/3826 cut-off events. For 40400/67100 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 37492 event pairs, 0 based on Foata normal form. 635/4090 useless extension candidates. Maximal degree in co-relation 21020. Up to 1453 conditions per place. [2021-06-10 12:17:24,761 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 12 selfloop transitions, 57 changer transitions 20/187 dead transitions. [2021-06-10 12:17:24,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 187 transitions, 1564 flow [2021-06-10 12:17:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 12:17:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 12:17:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1906 transitions. [2021-06-10 12:17:24,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9050332383665717 [2021-06-10 12:17:24,764 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1906 transitions. [2021-06-10 12:17:24,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1906 transitions. [2021-06-10 12:17:24,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:24,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1906 transitions. [2021-06-10 12:17:24,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 105.88888888888889) internal successors, (1906), 18 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) [2021-06-10 12:17:24,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 117.0) internal successors, (2223), 19 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:24,771 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 117.0) internal successors, (2223), 19 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:24,772 INFO L185 Difference]: Start difference. First operand has 196 places, 165 transitions, 1165 flow. Second operand 18 states and 1906 transitions. [2021-06-10 12:17:24,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 187 transitions, 1564 flow [2021-06-10 12:17:25,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 187 transitions, 1268 flow, removed 103 selfloop flow, removed 26 redundant places. [2021-06-10 12:17:25,242 INFO L241 Difference]: Finished difference. Result has 187 places, 163 transitions, 995 flow [2021-06-10 12:17:25,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=861, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=995, PETRI_PLACES=187, PETRI_TRANSITIONS=163} [2021-06-10 12:17:25,243 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 63 predicate places. [2021-06-10 12:17:25,243 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 163 transitions, 995 flow [2021-06-10 12:17:25,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 103.11111111111111) internal successors, (928), 9 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:25,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:25,244 INFO L263 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] [2021-06-10 12:17:25,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-10 12:17:25,244 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:25,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1691308247, now seen corresponding path program 1 times [2021-06-10 12:17:25,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:25,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684059765] [2021-06-10 12:17:25,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:25,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:25,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:25,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:25,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:25,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:25,307 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:25,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:25,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:25,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:25,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:25,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:25,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:25,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:25,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684059765] [2021-06-10 12:17:25,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:25,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-10 12:17:25,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004548014] [2021-06-10 12:17:25,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 12:17:25,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:25,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 12:17:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-10 12:17:25,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 117 [2021-06-10 12:17:25,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 163 transitions, 995 flow. Second operand has 7 states, 7 states have (on average 104.42857142857143) internal successors, (731), 7 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:25,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:25,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 117 [2021-06-10 12:17:25,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:25,969 INFO L129 PetriNetUnfolder]: 2124/5831 cut-off events. [2021-06-10 12:17:25,969 INFO L130 PetriNetUnfolder]: For 26746/31332 co-relation queries the response was YES. [2021-06-10 12:17:26,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22627 conditions, 5831 events. 2124/5831 cut-off events. For 26746/31332 co-relation queries the response was YES. Maximal size of possible extension queue 949. Compared 66011 event pairs, 0 based on Foata normal form. 3/5063 useless extension candidates. Maximal degree in co-relation 22537. Up to 958 conditions per place. [2021-06-10 12:17:26,029 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 9 selfloop transitions, 2 changer transitions 4/168 dead transitions. [2021-06-10 12:17:26,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 168 transitions, 1037 flow [2021-06-10 12:17:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 12:17:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 12:17:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 737 transitions. [2021-06-10 12:17:26,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8998778998778999 [2021-06-10 12:17:26,030 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 737 transitions. [2021-06-10 12:17:26,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 737 transitions. [2021-06-10 12:17:26,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:26,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 737 transitions. [2021-06-10 12:17:26,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.28571428571429) internal successors, (737), 7 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:26,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:26,033 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:26,033 INFO L185 Difference]: Start difference. First operand has 187 places, 163 transitions, 995 flow. Second operand 7 states and 737 transitions. [2021-06-10 12:17:26,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 168 transitions, 1037 flow [2021-06-10 12:17:26,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 168 transitions, 826 flow, removed 36 selfloop flow, removed 23 redundant places. [2021-06-10 12:17:26,640 INFO L241 Difference]: Finished difference. Result has 173 places, 164 transitions, 803 flow [2021-06-10 12:17:26,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=803, PETRI_PLACES=173, PETRI_TRANSITIONS=164} [2021-06-10 12:17:26,640 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 49 predicate places. [2021-06-10 12:17:26,640 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 164 transitions, 803 flow [2021-06-10 12:17:26,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 104.42857142857143) internal successors, (731), 7 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:26,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:26,641 INFO L263 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] [2021-06-10 12:17:26,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-10 12:17:26,641 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:26,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:26,641 INFO L82 PathProgramCache]: Analyzing trace with hash -549971633, now seen corresponding path program 2 times [2021-06-10 12:17:26,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:26,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566797151] [2021-06-10 12:17:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:17:26,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:26,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:26,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:17:26,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:17:26,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:17:26,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:26,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:17:26,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:17:26,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:17:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:17:26,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566797151] [2021-06-10 12:17:26,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:17:26,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-10 12:17:26,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685554544] [2021-06-10 12:17:26,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 12:17:26,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:17:26,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 12:17:26,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-10 12:17:26,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 117 [2021-06-10 12:17:26,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 164 transitions, 803 flow. Second operand has 7 states, 7 states have (on average 104.42857142857143) internal successors, (731), 7 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:26,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:17:26,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 117 [2021-06-10 12:17:26,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:17:27,991 INFO L129 PetriNetUnfolder]: 4101/11131 cut-off events. [2021-06-10 12:17:27,991 INFO L130 PetriNetUnfolder]: For 20572/22365 co-relation queries the response was YES. [2021-06-10 12:17:28,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32917 conditions, 11131 events. 4101/11131 cut-off events. For 20572/22365 co-relation queries the response was YES. Maximal size of possible extension queue 1863. Compared 141812 event pairs, 0 based on Foata normal form. 3/9667 useless extension candidates. Maximal degree in co-relation 32885. Up to 1651 conditions per place. [2021-06-10 12:17:28,054 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 9 selfloop transitions, 2 changer transitions 4/169 dead transitions. [2021-06-10 12:17:28,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 851 flow [2021-06-10 12:17:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 12:17:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 12:17:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 737 transitions. [2021-06-10 12:17:28,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8998778998778999 [2021-06-10 12:17:28,056 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 737 transitions. [2021-06-10 12:17:28,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 737 transitions. [2021-06-10 12:17:28,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:17:28,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 737 transitions. [2021-06-10 12:17:28,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.28571428571429) internal successors, (737), 7 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:28,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:28,059 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:28,059 INFO L185 Difference]: Start difference. First operand has 173 places, 164 transitions, 803 flow. Second operand 7 states and 737 transitions. [2021-06-10 12:17:28,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 851 flow [2021-06-10 12:17:29,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 840 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-10 12:17:29,029 INFO L241 Difference]: Finished difference. Result has 177 places, 165 transitions, 815 flow [2021-06-10 12:17:29,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=815, PETRI_PLACES=177, PETRI_TRANSITIONS=165} [2021-06-10 12:17:29,029 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, 53 predicate places. [2021-06-10 12:17:29,029 INFO L480 AbstractCegarLoop]: Abstraction has has 177 places, 165 transitions, 815 flow [2021-06-10 12:17:29,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 104.42857142857143) internal successors, (731), 7 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 12:17:29,030 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:17:29,030 INFO L263 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] [2021-06-10 12:17:29,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-10 12:17:29,030 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:17:29,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:17:29,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1764661507, now seen corresponding path program 3 times [2021-06-10 12:17:29,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:17:29,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170391138] [2021-06-10 12:17:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:17:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 12:17:29,064 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 12:17:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 12:17:29,094 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 12:17:29,126 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 12:17:29,126 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 12:17:29,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-10 12:17:29,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 12:17:29 BasicIcfg [2021-06-10 12:17:29,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 12:17:29,281 INFO L168 Benchmark]: Toolchain (without parser) took 19129.28 ms. Allocated memory was 337.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 299.4 MB in the beginning and 1.2 GB in the end (delta: -861.7 MB). Peak memory consumption was 338.9 MB. Max. memory is 16.0 GB. [2021-06-10 12:17:29,282 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 337.6 MB. Free memory was 318.3 MB in the beginning and 318.3 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 12:17:29,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.56 ms. Allocated memory is still 337.6 MB. Free memory was 299.2 MB in the beginning and 297.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-10 12:17:29,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.47 ms. Allocated memory is still 337.6 MB. Free memory was 296.1 MB in the beginning and 294.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:17:29,282 INFO L168 Benchmark]: Boogie Preprocessor took 38.83 ms. Allocated memory is still 337.6 MB. Free memory was 294.0 MB in the beginning and 291.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:17:29,282 INFO L168 Benchmark]: RCFGBuilder took 1827.47 ms. Allocated memory is still 337.6 MB. Free memory was 291.4 MB in the beginning and 245.3 MB in the end (delta: 46.1 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:17:29,283 INFO L168 Benchmark]: TraceAbstraction took 16602.63 ms. Allocated memory was 337.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 244.2 MB in the beginning and 1.2 GB in the end (delta: -916.9 MB). Peak memory consumption was 281.7 MB. Max. memory is 16.0 GB. [2021-06-10 12:17:29,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 337.6 MB. Free memory was 318.3 MB in the beginning and 318.3 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 604.56 ms. Allocated memory is still 337.6 MB. Free memory was 299.2 MB in the beginning and 297.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.47 ms. Allocated memory is still 337.6 MB. Free memory was 296.1 MB in the beginning and 294.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.83 ms. Allocated memory is still 337.6 MB. Free memory was 294.0 MB in the beginning and 291.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1827.47 ms. Allocated memory is still 337.6 MB. Free memory was 291.4 MB in the beginning and 245.3 MB in the end (delta: 46.1 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 16602.63 ms. Allocated memory was 337.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 244.2 MB in the beginning and 1.2 GB in the end (delta: -916.9 MB). Peak memory consumption was 281.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L718] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L720] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1245; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1245, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1246; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1246, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1247; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1247, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1248; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] FCALL, FORK 0 pthread_create(&t1248, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 18.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 16340.3ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 12295.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 79.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 188 SDtfs, 579 SDslu, 718 SDs, 0 SdLazy, 1364 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1425.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 3516.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1165occurred in iteration=15, InterpolantAutomatonStates: 205, 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: 164.7ms SsaConstructionTime, 679.9ms SatisfiabilityAnalysisTime, 2803.0ms InterpolantComputationTime, 1459 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1353 ConstructedInterpolants, 0 QuantifiedInterpolants, 6516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 proved your program to be incorrect! Received shutdown request...