/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 06:03:42,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 06:03:42,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 06:03:42,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 06:03:42,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 06:03:42,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 06:03:42,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 06:03:42,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 06:03:42,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 06:03:42,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 06:03:42,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 06:03:42,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 06:03:42,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 06:03:42,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 06:03:42,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 06:03:42,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 06:03:42,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 06:03:42,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 06:03:42,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 06:03:42,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 06:03:42,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 06:03:42,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 06:03:42,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 06:03:42,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 06:03:42,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 06:03:42,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 06:03:42,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 06:03:42,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 06:03:42,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 06:03:42,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 06:03:42,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 06:03:42,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 06:03:42,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 06:03:42,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 06:03:42,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 06:03:42,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 06:03:42,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 06:03:43,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 06:03:43,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 06:03:43,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 06:03:43,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 06:03:43,044 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 06:03:43,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 06:03:43,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 06:03:43,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 06:03:43,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 06:03:43,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 06:03:43,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 06:03:43,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 06:03:43,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 06:03:43,046 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 06:03:43,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 06:03:43,047 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 06:03:43,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 06:03:43,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 06:03:43,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 06:03:43,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 06:03:43,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 06:03:43,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:03:43,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 06:03:43,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 06:03:43,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 06:03:43,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 06:03:43,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 06:03:43,050 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 06:03:43,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 06:03:43,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 06:03:43,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 06:03:43,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 06:03:43,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 06:03:43,372 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 06:03:43,373 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2020-10-16 06:03:43,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9721017/4a33e482947044cb9d362e4c18a72829/FLAG245fd704d [2020-10-16 06:03:43,887 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 06:03:43,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2020-10-16 06:03:43,888 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 06:03:43,888 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 06:03:43,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9721017/4a33e482947044cb9d362e4c18a72829/FLAG245fd704d [2020-10-16 06:03:44,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9721017/4a33e482947044cb9d362e4c18a72829 [2020-10-16 06:03:44,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 06:03:44,224 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 06:03:44,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 06:03:44,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 06:03:44,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 06:03:44,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ad6408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44, skipping insertion in model container [2020-10-16 06:03:44,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 06:03:44,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 06:03:44,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:03:44,528 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 06:03:44,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:03:44,567 INFO L208 MainTranslator]: Completed translation [2020-10-16 06:03:44,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44 WrapperNode [2020-10-16 06:03:44,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 06:03:44,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 06:03:44,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 06:03:44,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 06:03:44,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 06:03:44,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 06:03:44,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 06:03:44,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 06:03:44,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... [2020-10-16 06:03:44,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 06:03:44,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 06:03:44,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 06:03:44,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 06:03:44,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:03:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 06:03:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-10-16 06:03:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-10-16 06:03:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 06:03:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 06:03:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 06:03:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 06:03:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 06:03:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 06:03:44,722 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 06:03:45,096 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 06:03:45,097 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-16 06:03:45,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:03:45 BoogieIcfgContainer [2020-10-16 06:03:45,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 06:03:45,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 06:03:45,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 06:03:45,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 06:03:45,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 06:03:44" (1/3) ... [2020-10-16 06:03:45,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3023c028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:03:45, skipping insertion in model container [2020-10-16 06:03:45,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:03:44" (2/3) ... [2020-10-16 06:03:45,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3023c028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:03:45, skipping insertion in model container [2020-10-16 06:03:45,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:03:45" (3/3) ... [2020-10-16 06:03:45,111 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2020-10-16 06:03:45,122 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 06:03:45,129 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 06:03:45,130 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 06:03:45,171 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,171 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,171 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,172 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,172 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,172 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,172 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,173 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,173 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,173 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,173 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,173 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,174 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,174 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,174 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,174 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,174 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,175 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,175 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,175 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,175 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,175 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,176 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,176 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,176 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,176 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,177 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,177 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,177 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,177 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,177 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,178 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,178 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,178 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,178 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,179 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,179 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,179 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,179 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,180 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,180 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,180 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,180 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,180 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,181 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,181 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,181 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,181 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,182 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,182 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,182 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,182 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,182 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,183 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,183 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,183 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,183 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,183 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,184 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,184 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,184 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,184 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,184 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,185 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,185 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,185 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,185 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,186 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,186 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,186 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,186 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,187 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,187 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,187 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,187 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,187 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,188 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,188 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,188 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,188 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,195 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,195 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,197 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,197 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,197 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,198 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,198 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,198 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,198 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,198 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,199 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,200 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,200 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,217 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,217 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,217 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,217 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,218 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,218 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,218 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,218 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,218 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,219 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,219 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,219 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,219 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:03:45,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 06:03:45,287 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:03:45,288 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:03:45,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:03:45,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:03:45,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:03:45,288 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:03:45,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:03:45,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:03:45,306 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 135 places, 138 transitions, 298 flow [2020-10-16 06:03:45,385 INFO L129 PetriNetUnfolder]: 9/138 cut-off events. [2020-10-16 06:03:45,385 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 06:03:45,392 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 9/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 159 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 71. Up to 3 conditions per place. [2020-10-16 06:03:45,392 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 138 transitions, 298 flow [2020-10-16 06:03:45,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 123 transitions, 264 flow [2020-10-16 06:03:45,403 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:03:45,406 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 123 transitions, 264 flow [2020-10-16 06:03:45,408 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 123 transitions, 264 flow [2020-10-16 06:03:45,409 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 123 transitions, 264 flow [2020-10-16 06:03:45,446 INFO L129 PetriNetUnfolder]: 8/125 cut-off events. [2020-10-16 06:03:45,446 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 06:03:45,448 INFO L80 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 125 events. 8/125 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 140 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 62. Up to 3 conditions per place. [2020-10-16 06:03:45,451 INFO L117 LiptonReduction]: Number of co-enabled transitions 1920 [2020-10-16 06:03:47,192 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-16 06:03:47,735 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 06:03:47,860 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-16 06:03:48,086 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-16 06:03:48,788 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2020-10-16 06:03:49,008 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-16 06:03:49,091 INFO L132 LiptonReduction]: Checked pairs total: 3704 [2020-10-16 06:03:49,092 INFO L134 LiptonReduction]: Total number of compositions: 108 [2020-10-16 06:03:49,095 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3693 [2020-10-16 06:03:49,105 INFO L129 PetriNetUnfolder]: 5/28 cut-off events. [2020-10-16 06:03:49,105 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 06:03:49,105 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:49,106 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:49,107 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:03:49,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash -881067035, now seen corresponding path program 1 times [2020-10-16 06:03:49,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:49,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340375729] [2020-10-16 06:03:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:03:49,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340375729] [2020-10-16 06:03:49,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:49,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:03:49,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116093711] [2020-10-16 06:03:49,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:03:49,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:49,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:03:49,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:03:49,414 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 246 [2020-10-16 06:03:49,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 27 transitions, 72 flow. Second operand 3 states. [2020-10-16 06:03:49,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:49,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 246 [2020-10-16 06:03:49,418 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:49,483 INFO L129 PetriNetUnfolder]: 62/138 cut-off events. [2020-10-16 06:03:49,483 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-16 06:03:49,484 INFO L80 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 138 events. 62/138 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 517 event pairs, 4 based on Foata normal form. 1/93 useless extension candidates. Maximal degree in co-relation 206. Up to 60 conditions per place. [2020-10-16 06:03:49,487 INFO L132 encePairwiseOnDemand]: 242/246 looper letters, 13 selfloop transitions, 3 changer transitions 0/34 dead transitions. [2020-10-16 06:03:49,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 34 transitions, 118 flow [2020-10-16 06:03:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:03:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:03:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2020-10-16 06:03:49,507 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8604336043360433 [2020-10-16 06:03:49,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 635 transitions. [2020-10-16 06:03:49,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 635 transitions. [2020-10-16 06:03:49,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:49,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 635 transitions. [2020-10-16 06:03:49,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:03:49,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:03:49,528 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:03:49,530 INFO L185 Difference]: Start difference. First operand has 28 places, 27 transitions, 72 flow. Second operand 3 states and 635 transitions. [2020-10-16 06:03:49,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 34 transitions, 118 flow [2020-10-16 06:03:49,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 34 transitions, 106 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 06:03:49,537 INFO L241 Difference]: Finished difference. Result has 27 places, 29 transitions, 79 flow [2020-10-16 06:03:49,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=27, PETRI_TRANSITIONS=29} [2020-10-16 06:03:49,541 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, -1 predicate places. [2020-10-16 06:03:49,541 INFO L481 AbstractCegarLoop]: Abstraction has has 27 places, 29 transitions, 79 flow [2020-10-16 06:03:49,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:03:49,541 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:49,542 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:49,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 06:03:49,542 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:03:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:49,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1486486913, now seen corresponding path program 1 times [2020-10-16 06:03:49,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:49,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018855744] [2020-10-16 06:03:49,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:03:49,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018855744] [2020-10-16 06:03:49,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838395300] [2020-10-16 06:03:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:03:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:49,908 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 84 conjunts are in the unsatisfiable core [2020-10-16 06:03:49,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:03:49,940 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:03:50,137 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-16 06:03:50,138 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 145 [2020-10-16 06:03:50,141 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:50,260 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-16 06:03:50,261 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 145 [2020-10-16 06:03:50,264 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:50,402 INFO L350 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-10-16 06:03:50,403 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 145 [2020-10-16 06:03:50,411 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:50,819 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-10-16 06:03:50,820 INFO L625 ElimStorePlain]: treesize reduction 246, result has 55.4 percent of original size [2020-10-16 06:03:50,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:03:50,859 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-10-16 06:03:50,860 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:03:50,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-10-16 06:03:50,882 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:03:50,897 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-10-16 06:03:50,899 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:51,069 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-16 06:03:51,070 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:51,077 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:51,082 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-10-16 06:03:51,083 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:261, output treesize:294 [2020-10-16 06:03:51,085 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:51,091 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:51,096 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:51,309 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 06:03:51,323 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:51,333 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:51,343 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 4 disjuncts [2020-10-16 06:03:52,309 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-16 06:03:52,329 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,345 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,359 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:03:52,376 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,399 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,412 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,424 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,443 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,468 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,493 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,512 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:03:52,515 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,531 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,551 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,560 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,570 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,581 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,591 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,600 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,609 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,618 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,626 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,635 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,644 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,666 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,678 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,686 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,695 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,704 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,712 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,721 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,729 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,737 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,745 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,753 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,762 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,771 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,780 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,789 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,798 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,807 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,814 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,823 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,831 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,839 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,857 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,868 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,879 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,893 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,909 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,921 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,934 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,944 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,959 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,973 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:52,988 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,031 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,043 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,054 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,063 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,071 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,084 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,096 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,108 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,120 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,128 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,142 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,155 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,167 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,177 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,188 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,200 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:03:53,214 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,226 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,236 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,246 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,257 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,270 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,282 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,292 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,302 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,315 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,326 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,338 INFO L603 QuantifierPusher]: Distributing 15 conjuncts over 2 disjuncts [2020-10-16 06:03:53,481 INFO L441 ElimStorePlain]: Different costs {78=[v_prenex_47], 136=[|v_#valid_146|]} [2020-10-16 06:03:55,632 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_prenex_52 |ULTIMATE.start_search_~#bounds2~0.base|) [2020-10-16 06:03:55,713 INFO L244 Elim1Store]: Index analysis took 2187 ms [2020-10-16 06:03:55,756 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:55,757 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:55,758 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:55,920 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:55,920 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:55,921 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:56,101 INFO L244 Elim1Store]: Index analysis took 141 ms [2020-10-16 06:03:56,158 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:56,159 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 31 treesize of output 115 [2020-10-16 06:03:56,161 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:56,289 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:56,290 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:56,291 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:56,429 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:56,430 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:56,431 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:56,591 INFO L244 Elim1Store]: Index analysis took 116 ms [2020-10-16 06:03:56,635 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:56,636 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:56,638 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:56,813 INFO L244 Elim1Store]: Index analysis took 125 ms [2020-10-16 06:03:56,857 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:56,858 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:56,860 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:56,999 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:57,000 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:57,001 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:57,159 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:57,160 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:57,161 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:59,398 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_prenex_47 v_prenex_36) (select v_prenex_47 |ULTIMATE.start_search_~#bounds2~0.base|)) [2020-10-16 06:03:59,461 INFO L244 Elim1Store]: Index analysis took 2240 ms [2020-10-16 06:03:59,524 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:59,525 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 31 treesize of output 115 [2020-10-16 06:03:59,527 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:59,704 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:59,705 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:59,706 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:59,825 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:59,825 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:59,826 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-16 06:03:59,957 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:03:59,957 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:03:59,958 INFO L545 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:02,170 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_prenex_47 |ULTIMATE.start_main_~#haystack~0.base|) (select v_prenex_47 v_prenex_50)) [2020-10-16 06:04:02,186 INFO L244 Elim1Store]: Index analysis took 2193 ms [2020-10-16 06:04:02,216 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:02,217 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:04:02,219 INFO L545 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:04,428 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_prenex_47 v_prenex_45) (select v_prenex_47 v_prenex_50)) [2020-10-16 06:04:04,445 INFO L244 Elim1Store]: Index analysis took 2184 ms [2020-10-16 06:04:04,481 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:04,482 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:04:04,483 INFO L545 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:04,651 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:04,652 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:04:04,652 INFO L545 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:04,861 INFO L244 Elim1Store]: Index analysis took 167 ms [2020-10-16 06:04:04,919 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:04,919 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 31 treesize of output 115 [2020-10-16 06:04:04,921 INFO L545 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:05,090 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:05,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:04:05,092 INFO L545 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:05,286 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:05,287 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 31 treesize of output 115 [2020-10-16 06:04:05,288 INFO L545 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:05,390 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:05,390 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-10-16 06:04:05,392 INFO L545 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:11,670 WARN L193 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 368 DAG size of output: 264 [2020-10-16 06:04:11,672 INFO L625 ElimStorePlain]: treesize reduction 3191, result has 39.8 percent of original size [2020-10-16 06:04:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:11,801 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:11,802 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-10-16 06:04:11,804 INFO L545 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:11,918 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:11,919 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-10-16 06:04:11,925 INFO L545 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:11,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:12,036 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:12,036 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-10-16 06:04:12,044 INFO L545 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:12,299 INFO L244 Elim1Store]: Index analysis took 226 ms [2020-10-16 06:04:12,353 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:12,354 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 31 treesize of output 107 [2020-10-16 06:04:12,355 INFO L545 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:12,529 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:12,530 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 64 [2020-10-16 06:04:12,531 INFO L545 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:14,698 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 258 [2020-10-16 06:04:14,699 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:14,702 INFO L441 ElimStorePlain]: Different costs {235=[v_prenex_55], 412=[|v_#memory_int_125|]} [2020-10-16 06:04:14,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:14,798 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:14,799 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 93 [2020-10-16 06:04:14,801 INFO L545 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:14,893 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:14,894 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 101 [2020-10-16 06:04:14,896 INFO L545 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:14,969 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:14,970 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 93 [2020-10-16 06:04:14,971 INFO L545 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,059 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,060 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 101 [2020-10-16 06:04:15,061 INFO L545 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,236 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,237 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 93 [2020-10-16 06:04:15,238 INFO L545 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,393 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,394 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 93 [2020-10-16 06:04:15,400 INFO L545 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,497 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,498 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 101 [2020-10-16 06:04:15,499 INFO L545 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,592 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 101 [2020-10-16 06:04:15,595 INFO L545 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,667 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,667 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 93 [2020-10-16 06:04:15,669 INFO L545 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:15,745 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:15,746 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 101 [2020-10-16 06:04:15,747 INFO L545 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:19,635 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 331 DAG size of output: 293 [2020-10-16 06:04:19,637 INFO L625 ElimStorePlain]: treesize reduction 160, result has 92.9 percent of original size [2020-10-16 06:04:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,704 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 06:04:19,739 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:19,740 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 130 [2020-10-16 06:04:19,742 INFO L545 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,824 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 06:04:19,851 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:19,852 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 130 [2020-10-16 06:04:19,855 INFO L545 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,924 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 06:04:19,958 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:19,959 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 130 [2020-10-16 06:04:19,961 INFO L545 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:19,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:20,024 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 06:04:20,052 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:20,052 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 130 [2020-10-16 06:04:20,054 INFO L545 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 06:04:20,090 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 06:04:20,118 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:04:20,119 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 130 [2020-10-16 06:04:20,120 INFO L545 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-10-16 06:04:23,746 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 324 DAG size of output: 299 [2020-10-16 06:04:23,747 INFO L625 ElimStorePlain]: treesize reduction 290, result has 88.0 percent of original size [2020-10-16 06:04:23,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,789 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,816 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,821 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,824 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,831 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,856 INFO L545 ElimStorePlain]: Start of recursive call 1: 52 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 54 dim-0 vars, and 15 xjuncts. [2020-10-16 06:04:23,857 INFO L244 ElimStorePlain]: Needed 41 recursive calls to eliminate 56 variables, input treesize:5438, output treesize:4705 [2020-10-16 06:04:23,858 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,864 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 06:04:23,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,872 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,874 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,875 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:23,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:23,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:25,282 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 447 DAG size of output: 108 [2020-10-16 06:04:25,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:25,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:25,892 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2020-10-16 06:04:25,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 15, 1] term [2020-10-16 06:04:25,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 06:04:26,126 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 06:04:26,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 06:04:26,537 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 06:04:26,539 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 06:04:26,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 06:04:26,658 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-10-16 06:04:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:04:27,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:04:27,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 10] total 13 [2020-10-16 06:04:27,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149174497] [2020-10-16 06:04:27,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-16 06:04:27,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:04:27,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-16 06:04:27,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-16 06:04:27,098 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 246 [2020-10-16 06:04:27,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 29 transitions, 79 flow. Second operand 15 states. [2020-10-16 06:04:27,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:04:27,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 246 [2020-10-16 06:04:27,100 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:04:30,813 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2020-10-16 06:04:34,011 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2020-10-16 06:04:36,055 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-10-16 06:04:37,364 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 126 [2020-10-16 06:04:38,686 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 153 [2020-10-16 06:04:40,220 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 150 [2020-10-16 06:04:42,877 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-10-16 06:04:45,700 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 236 DAG size of output: 156 [2020-10-16 06:04:47,501 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 153 [2020-10-16 06:04:50,800 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 239 DAG size of output: 136 [2020-10-16 06:04:53,086 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 158 DAG size of output: 158 [2020-10-16 06:04:54,633 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 136 [2020-10-16 06:04:57,916 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2020-10-16 06:05:01,239 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 187 DAG size of output: 183 [2020-10-16 06:05:04,220 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2020-10-16 06:05:04,267 INFO L129 PetriNetUnfolder]: 611/1052 cut-off events. [2020-10-16 06:05:04,267 INFO L130 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2020-10-16 06:05:04,270 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2255 conditions, 1052 events. 611/1052 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4962 event pairs, 24 based on Foata normal form. 2/808 useless extension candidates. Maximal degree in co-relation 689. Up to 229 conditions per place. [2020-10-16 06:05:04,277 INFO L132 encePairwiseOnDemand]: 230/246 looper letters, 94 selfloop transitions, 27 changer transitions 27/154 dead transitions. [2020-10-16 06:05:04,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 154 transitions, 684 flow [2020-10-16 06:05:04,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-16 06:05:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-16 06:05:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1322 transitions. [2020-10-16 06:05:04,291 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.2686991869918699 [2020-10-16 06:05:04,291 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1322 transitions. [2020-10-16 06:05:04,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1322 transitions. [2020-10-16 06:05:04,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:05:04,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1322 transitions. [2020-10-16 06:05:04,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 21 states. [2020-10-16 06:05:04,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 21 states. [2020-10-16 06:05:04,303 INFO L81 ComplementDD]: Finished complementDD. Result 21 states. [2020-10-16 06:05:04,303 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 79 flow. Second operand 20 states and 1322 transitions. [2020-10-16 06:05:04,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 154 transitions, 684 flow [2020-10-16 06:05:04,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 154 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:05:04,311 INFO L241 Difference]: Finished difference. Result has 51 places, 48 transitions, 239 flow [2020-10-16 06:05:04,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=239, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2020-10-16 06:05:04,312 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 23 predicate places. [2020-10-16 06:05:04,312 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 239 flow [2020-10-16 06:05:04,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-16 06:05:04,313 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:05:04,313 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:05:04,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-16 06:05:04,514 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:05:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:05:04,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1006723981, now seen corresponding path program 1 times [2020-10-16 06:05:04,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:05:04,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269358377] [2020-10-16 06:05:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:05:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:05:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:05:04,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269358377] [2020-10-16 06:05:04,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:05:04,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:05:04,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470841611] [2020-10-16 06:05:04,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:05:04,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:05:04,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:05:04,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:05:04,632 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 246 [2020-10-16 06:05:04,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 239 flow. Second operand 5 states. [2020-10-16 06:05:04,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:05:04,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 246 [2020-10-16 06:05:04,633 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:05:04,791 INFO L129 PetriNetUnfolder]: 265/561 cut-off events. [2020-10-16 06:05:04,791 INFO L130 PetriNetUnfolder]: For 258/304 co-relation queries the response was YES. [2020-10-16 06:05:04,794 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1420 conditions, 561 events. 265/561 cut-off events. For 258/304 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2971 event pairs, 54 based on Foata normal form. 8/557 useless extension candidates. Maximal degree in co-relation 819. Up to 272 conditions per place. [2020-10-16 06:05:04,798 INFO L132 encePairwiseOnDemand]: 240/246 looper letters, 31 selfloop transitions, 6 changer transitions 0/61 dead transitions. [2020-10-16 06:05:04,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 61 transitions, 368 flow [2020-10-16 06:05:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 06:05:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 06:05:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 828 transitions. [2020-10-16 06:05:04,803 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6731707317073171 [2020-10-16 06:05:04,803 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 828 transitions. [2020-10-16 06:05:04,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 828 transitions. [2020-10-16 06:05:04,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:05:04,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 828 transitions. [2020-10-16 06:05:04,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 06:05:04,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 06:05:04,808 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 06:05:04,809 INFO L185 Difference]: Start difference. First operand has 51 places, 48 transitions, 239 flow. Second operand 5 states and 828 transitions. [2020-10-16 06:05:04,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 61 transitions, 368 flow [2020-10-16 06:05:04,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 61 transitions, 361 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 06:05:04,814 INFO L241 Difference]: Finished difference. Result has 47 places, 47 transitions, 241 flow [2020-10-16 06:05:04,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=47, PETRI_TRANSITIONS=47} [2020-10-16 06:05:04,815 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 19 predicate places. [2020-10-16 06:05:04,815 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 47 transitions, 241 flow [2020-10-16 06:05:04,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:05:04,815 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:05:04,815 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:05:04,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 06:05:04,816 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:05:04,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:05:04,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1079458113, now seen corresponding path program 1 times [2020-10-16 06:05:04,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:05:04,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851712771] [2020-10-16 06:05:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:05:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:05:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:05:05,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851712771] [2020-10-16 06:05:05,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172818035] [2020-10-16 06:05:05,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:05:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:05:05,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 33 conjunts are in the unsatisfiable core [2020-10-16 06:05:05,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:05:05,283 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2020-10-16 06:05:05,284 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-16 06:05:05,313 INFO L625 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2020-10-16 06:05:05,315 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-16 06:05:05,315 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:14 [2020-10-16 06:05:05,411 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-10-16 06:05:05,412 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 06:05:05,420 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:05:05,421 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 06:05:05,421 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:23 [2020-10-16 06:05:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:05:05,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:05:05,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 11 [2020-10-16 06:05:05,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43005313] [2020-10-16 06:05:05,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-16 06:05:05,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:05:05,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-16 06:05:05,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-16 06:05:05,474 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 246 [2020-10-16 06:05:05,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 47 transitions, 241 flow. Second operand 13 states. [2020-10-16 06:05:05,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:05:05,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 246 [2020-10-16 06:05:05,475 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:05:08,539 INFO L129 PetriNetUnfolder]: 1254/2441 cut-off events. [2020-10-16 06:05:08,540 INFO L130 PetriNetUnfolder]: For 2223/2276 co-relation queries the response was YES. [2020-10-16 06:05:08,549 INFO L80 FinitePrefix]: Finished finitePrefix Result has 6827 conditions, 2441 events. 1254/2441 cut-off events. For 2223/2276 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 16351 event pairs, 202 based on Foata normal form. 18/2430 useless extension candidates. Maximal degree in co-relation 2693. Up to 491 conditions per place. [2020-10-16 06:05:08,554 INFO L132 encePairwiseOnDemand]: 236/246 looper letters, 0 selfloop transitions, 0 changer transitions 260/260 dead transitions. [2020-10-16 06:05:08,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 260 transitions, 1628 flow [2020-10-16 06:05:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-16 06:05:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-16 06:05:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2977 transitions. [2020-10-16 06:05:08,592 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.43220092915214864 [2020-10-16 06:05:08,592 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2977 transitions. [2020-10-16 06:05:08,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2977 transitions. [2020-10-16 06:05:08,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:05:08,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2977 transitions. [2020-10-16 06:05:08,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 29 states. [2020-10-16 06:05:08,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 29 states. [2020-10-16 06:05:08,611 INFO L81 ComplementDD]: Finished complementDD. Result 29 states. [2020-10-16 06:05:08,612 INFO L185 Difference]: Start difference. First operand has 47 places, 47 transitions, 241 flow. Second operand 28 states and 2977 transitions. [2020-10-16 06:05:08,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 260 transitions, 1628 flow [2020-10-16 06:05:08,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 260 transitions, 1574 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 06:05:08,626 INFO L241 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2020-10-16 06:05:08,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2020-10-16 06:05:08,627 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 39 predicate places. [2020-10-16 06:05:08,627 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2020-10-16 06:05:08,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-16 06:05:08,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:05:08,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 06:05:08 BasicIcfg [2020-10-16 06:05:08,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 06:05:08,849 INFO L168 Benchmark]: Toolchain (without parser) took 84625.94 ms. Allocated memory was 256.9 MB in the beginning and 580.4 MB in the end (delta: 323.5 MB). Free memory was 212.2 MB in the beginning and 524.3 MB in the end (delta: -312.1 MB). Peak memory consumption was 367.1 MB. Max. memory is 14.2 GB. [2020-10-16 06:05:08,850 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 256.9 MB. Free memory is still 233.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:05:08,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.29 ms. Allocated memory was 256.9 MB in the beginning and 328.2 MB in the end (delta: 71.3 MB). Free memory was 212.2 MB in the beginning and 298.8 MB in the end (delta: -86.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 14.2 GB. [2020-10-16 06:05:08,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.24 ms. Allocated memory is still 328.2 MB. Free memory is still 298.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:05:08,851 INFO L168 Benchmark]: Boogie Preprocessor took 34.63 ms. Allocated memory is still 328.2 MB. Free memory was 298.8 MB in the beginning and 296.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:05:08,851 INFO L168 Benchmark]: RCFGBuilder took 444.54 ms. Allocated memory is still 328.2 MB. Free memory was 296.3 MB in the beginning and 269.3 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. [2020-10-16 06:05:08,852 INFO L168 Benchmark]: TraceAbstraction took 83747.65 ms. Allocated memory was 328.2 MB in the beginning and 580.4 MB in the end (delta: 252.2 MB). Free memory was 269.3 MB in the beginning and 524.3 MB in the end (delta: -255.0 MB). Peak memory consumption was 352.9 MB. Max. memory is 14.2 GB. [2020-10-16 06:05:08,854 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 256.9 MB. Free memory is still 233.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 342.29 ms. Allocated memory was 256.9 MB in the beginning and 328.2 MB in the end (delta: 71.3 MB). Free memory was 212.2 MB in the beginning and 298.8 MB in the end (delta: -86.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 51.24 ms. Allocated memory is still 328.2 MB. Free memory is still 298.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 34.63 ms. Allocated memory is still 328.2 MB. Free memory was 298.8 MB in the beginning and 296.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 444.54 ms. Allocated memory is still 328.2 MB. Free memory was 296.3 MB in the beginning and 269.3 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 83747.65 ms. Allocated memory was 328.2 MB in the beginning and 580.4 MB in the end (delta: 252.2 MB). Free memory was 269.3 MB in the beginning and 524.3 MB in the end (delta: -255.0 MB). Peak memory consumption was 352.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1350 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 7 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 129 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 121 PlacesBefore, 28 PlacesAfterwards, 123 TransitionsBefore, 27 TransitionsAfterwards, 1920 CoEnabledTransitionPairs, 6 FixpointIterations, 56 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 108 TotalNumberOfCompositions, 3704 MoverChecksTotal - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 83.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 40.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 67 SDtfs, 278 SDslu, 260 SDs, 0 SdLazy, 1380 SolverSat, 37 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 30.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 38.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 28 QuantifiedInterpolants, 95097 SizeOfPredicates, 50 NumberOfNonLiveVariables, 322 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 1/5 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 correct! Received shutdown request...