/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/VMCAI2021_PN.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 19:56:04,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 19:56:04,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 19:56:04,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 19:56:04,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 19:56:04,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 19:56:04,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 19:56:04,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 19:56:04,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 19:56:04,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 19:56:04,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 19:56:04,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 19:56:04,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 19:56:04,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 19:56:04,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 19:56:04,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 19:56:04,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 19:56:04,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 19:56:04,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 19:56:04,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 19:56:04,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 19:56:04,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 19:56:04,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 19:56:04,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 19:56:04,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 19:56:04,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 19:56:04,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 19:56:04,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 19:56:04,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 19:56:04,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 19:56:04,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 19:56:04,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 19:56:04,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 19:56:04,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 19:56:04,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 19:56:04,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 19:56:04,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 19:56:04,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 19:56:04,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 19:56:04,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 19:56:04,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 19:56:04,345 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 19:56:04,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 19:56:04,346 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 19:56:04,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 19:56:04,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 19:56:04,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 19:56:04,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 19:56:04,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 19:56:04,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 19:56:04,347 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 19:56:04,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 19:56:04,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 19:56:04,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 19:56:04,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 19:56:04,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 19:56:04,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 19:56:04,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 19:56:04,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 19:56:04,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 19:56:04,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 19:56:04,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 19:56:04,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 19:56:04,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 19:56:04,353 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 19:56:04,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 19:56:04,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 19:56:04,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 19:56:04,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 19:56:04,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 19:56:04,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 19:56:04,684 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 19:56:04,685 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-11 19:56:04,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609a6c388/c90f13d8f14d474895b9b502d7f5c39e/FLAG6e996af01 [2020-10-11 19:56:05,250 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 19:56:05,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-11 19:56:05,251 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 19:56:05,251 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 19:56:05,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609a6c388/c90f13d8f14d474895b9b502d7f5c39e/FLAG6e996af01 [2020-10-11 19:56:05,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609a6c388/c90f13d8f14d474895b9b502d7f5c39e [2020-10-11 19:56:05,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 19:56:05,585 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 19:56:05,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 19:56:05,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 19:56:05,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 19:56:05,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:05,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a79f997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05, skipping insertion in model container [2020-10-11 19:56:05,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:05,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 19:56:05,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 19:56:05,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:56:05,942 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 19:56:05,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:56:05,992 INFO L208 MainTranslator]: Completed translation [2020-10-11 19:56:05,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05 WrapperNode [2020-10-11 19:56:05,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 19:56:05,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 19:56:05,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 19:56:05,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 19:56:06,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 19:56:06,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 19:56:06,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 19:56:06,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 19:56:06,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (1/1) ... [2020-10-11 19:56:06,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 19:56:06,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 19:56:06,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 19:56:06,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 19:56:06,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (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 [2020-10-11 19:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 19:56:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-10-11 19:56:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-10-11 19:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 19:56:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 19:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 19:56:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 19:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 19:56:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 19:56:06,148 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 19:56:06,625 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 19:56:06,626 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-11 19:56:06,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:56:06 BoogieIcfgContainer [2020-10-11 19:56:06,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 19:56:06,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 19:56:06,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 19:56:06,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 19:56:06,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:56:05" (1/3) ... [2020-10-11 19:56:06,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30980c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:56:06, skipping insertion in model container [2020-10-11 19:56:06,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:56:05" (2/3) ... [2020-10-11 19:56:06,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30980c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:56:06, skipping insertion in model container [2020-10-11 19:56:06,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:56:06" (3/3) ... [2020-10-11 19:56:06,637 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search4.c [2020-10-11 19:56:06,649 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 19:56:06,657 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 19:56:06,658 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 19:56:06,697 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,697 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,698 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,698 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,698 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,699 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,699 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,699 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,699 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,699 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,700 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,700 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,700 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,700 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,701 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,701 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,701 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,701 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,701 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,702 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,702 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,702 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,703 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,703 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,703 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,703 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,704 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,704 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,704 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,704 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,705 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,705 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,705 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,705 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,706 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,706 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,706 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,706 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,706 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,707 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,709 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,710 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,710 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,710 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,710 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,711 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,711 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,713 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,713 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,714 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,714 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,714 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,715 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,715 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,715 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,715 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,715 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,716 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,716 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,717 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,718 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,718 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,718 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,718 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,718 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,718 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,719 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,719 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,720 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,720 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,720 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,720 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,720 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,721 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,721 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,721 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,722 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,722 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,722 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,722 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,722 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,723 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,724 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,724 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,724 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,725 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,726 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,726 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,726 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,726 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,727 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,727 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,727 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,729 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,730 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,731 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,731 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,731 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,731 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,732 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,732 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,736 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,736 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,736 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,737 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,744 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,744 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,745 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,745 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,746 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,746 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,746 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,746 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,747 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,747 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,747 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,748 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,748 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,748 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,748 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,749 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,749 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,750 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,750 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,750 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,750 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,750 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,751 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,751 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,751 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,751 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,751 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,751 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,752 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,752 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,752 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,752 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,752 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,753 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,753 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,753 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,753 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,753 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,753 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,754 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,754 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,754 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,754 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,755 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,755 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,755 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,755 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,755 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,756 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,756 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,756 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,763 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,763 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,763 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,763 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,764 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,764 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,764 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,764 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,764 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,765 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,765 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,765 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,766 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,777 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,777 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,777 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,778 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,778 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,780 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,780 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,781 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,781 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,781 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,781 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,782 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,782 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,785 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,786 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,786 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,786 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,786 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,786 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,787 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,787 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,787 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,787 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,787 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,788 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,788 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,794 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,794 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,795 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,795 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,795 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,795 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,795 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,796 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,796 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,796 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,796 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,796 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,796 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:56:06,845 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 19:56:06,867 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 19:56:06,868 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 19:56:06,868 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 19:56:06,868 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 19:56:06,868 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 19:56:06,868 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 19:56:06,868 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 19:56:06,869 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 19:56:06,890 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 234 transitions, 536 flow [2020-10-11 19:56:07,093 INFO L129 PetriNetUnfolder]: 31/268 cut-off events. [2020-10-11 19:56:07,093 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-11 19:56:07,108 INFO L80 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 268 events. 31/268 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 597 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 169. Up to 12 conditions per place. [2020-10-11 19:56:07,108 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 234 transitions, 536 flow [2020-10-11 19:56:07,126 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 217 transitions, 494 flow [2020-10-11 19:56:07,187 INFO L129 PetriNetUnfolder]: 30/254 cut-off events. [2020-10-11 19:56:07,188 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-11 19:56:07,188 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:56:07,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:56:07,190 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 19:56:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:56:07,196 INFO L82 PathProgramCache]: Analyzing trace with hash -563445154, now seen corresponding path program 1 times [2020-10-11 19:56:07,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:56:07,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091161304] [2020-10-11 19:56:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:56:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:56:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:56:07,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091161304] [2020-10-11 19:56:07,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:56:07,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 19:56:07,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613645447] [2020-10-11 19:56:07,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 19:56:07,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:56:07,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 19:56:07,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 19:56:07,611 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 234 [2020-10-11 19:56:07,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 217 transitions, 494 flow. Second operand 2 states. [2020-10-11 19:56:07,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:56:07,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 234 [2020-10-11 19:56:07,618 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:56:07,677 INFO L129 PetriNetUnfolder]: 26/251 cut-off events. [2020-10-11 19:56:07,677 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-11 19:56:07,680 INFO L80 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 251 events. 26/251 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 554 event pairs, 0 based on Foata normal form. 4/246 useless extension candidates. Maximal degree in co-relation 291. Up to 12 conditions per place. [2020-10-11 19:56:07,683 INFO L132 encePairwiseOnDemand]: 230/234 looper letters, 0 selfloop transitions, 0 changer transitions 0/213 dead transitions. [2020-10-11 19:56:07,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 213 transitions, 486 flow [2020-10-11 19:56:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 19:56:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-11 19:56:07,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 464 transitions. [2020-10-11 19:56:07,704 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9914529914529915 [2020-10-11 19:56:07,705 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 464 transitions. [2020-10-11 19:56:07,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 464 transitions. [2020-10-11 19:56:07,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:56:07,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 464 transitions. [2020-10-11 19:56:07,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-11 19:56:07,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-11 19:56:07,724 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-11 19:56:07,726 INFO L185 Difference]: Start difference. First operand has 205 places, 217 transitions, 494 flow. Second operand 2 states and 464 transitions. [2020-10-11 19:56:07,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 213 transitions, 486 flow [2020-10-11 19:56:07,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 213 transitions, 446 flow, removed 0 selfloop flow, removed 8 redundant places. [2020-10-11 19:56:07,739 INFO L241 Difference]: Finished difference. Result has 198 places, 213 transitions, 446 flow [2020-10-11 19:56:07,742 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=446, PETRI_PLACES=198, PETRI_TRANSITIONS=213} [2020-10-11 19:56:07,743 INFO L341 CegarLoopForPetriNet]: 205 programPoint places, -7 predicate places. [2020-10-11 19:56:07,743 INFO L481 AbstractCegarLoop]: Abstraction has has 198 places, 213 transitions, 446 flow [2020-10-11 19:56:07,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 19:56:07,743 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:56:07,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:56:07,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 19:56:07,744 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 19:56:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:56:07,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1750068660, now seen corresponding path program 1 times [2020-10-11 19:56:07,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:56:07,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812638602] [2020-10-11 19:56:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:56:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:56:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:56:08,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812638602] [2020-10-11 19:56:08,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:56:08,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:56:08,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058307012] [2020-10-11 19:56:08,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:56:08,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:56:08,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:56:08,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:56:08,878 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 234 [2020-10-11 19:56:08,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 213 transitions, 446 flow. Second operand 5 states. [2020-10-11 19:56:08,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:56:08,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 234 [2020-10-11 19:56:08,880 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:56:08,960 INFO L129 PetriNetUnfolder]: 25/250 cut-off events. [2020-10-11 19:56:08,960 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 19:56:08,962 INFO L80 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 250 events. 25/250 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 546 event pairs, 0 based on Foata normal form. 1/242 useless extension candidates. Maximal degree in co-relation 268. Up to 12 conditions per place. [2020-10-11 19:56:08,964 INFO L132 encePairwiseOnDemand]: 227/234 looper letters, 5 selfloop transitions, 6 changer transitions 0/212 dead transitions. [2020-10-11 19:56:08,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 212 transitions, 465 flow [2020-10-11 19:56:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 19:56:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 19:56:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1102 transitions. [2020-10-11 19:56:08,970 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9418803418803419 [2020-10-11 19:56:08,970 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1102 transitions. [2020-10-11 19:56:08,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1102 transitions. [2020-10-11 19:56:08,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:56:08,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1102 transitions. [2020-10-11 19:56:08,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 19:56:08,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 19:56:08,978 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 19:56:08,978 INFO L185 Difference]: Start difference. First operand has 198 places, 213 transitions, 446 flow. Second operand 5 states and 1102 transitions. [2020-10-11 19:56:08,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 212 transitions, 465 flow [2020-10-11 19:56:08,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 212 transitions, 465 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 19:56:08,986 INFO L241 Difference]: Finished difference. Result has 202 places, 212 transitions, 455 flow [2020-10-11 19:56:08,986 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=455, PETRI_PLACES=202, PETRI_TRANSITIONS=212} [2020-10-11 19:56:08,987 INFO L341 CegarLoopForPetriNet]: 205 programPoint places, -3 predicate places. [2020-10-11 19:56:08,987 INFO L481 AbstractCegarLoop]: Abstraction has has 202 places, 212 transitions, 455 flow [2020-10-11 19:56:08,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:56:08,987 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:56:08,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:56:08,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 19:56:08,988 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 19:56:08,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:56:08,988 INFO L82 PathProgramCache]: Analyzing trace with hash 591597040, now seen corresponding path program 1 times [2020-10-11 19:56:08,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:56:08,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634448159] [2020-10-11 19:56:08,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:56:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:56:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:56:09,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634448159] [2020-10-11 19:56:09,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:56:09,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 19:56:09,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182858928] [2020-10-11 19:56:09,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 19:56:09,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:56:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 19:56:09,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 19:56:09,300 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 234 [2020-10-11 19:56:09,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 212 transitions, 455 flow. Second operand 3 states. [2020-10-11 19:56:09,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:56:09,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 234 [2020-10-11 19:56:09,301 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:56:09,456 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_5| v_search_workerThread1of1ForFork0_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} AuxVars[] AssignedVars[][161], [112#L51-2true, 224#true, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 155#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,457 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,457 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,457 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,458 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,459 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([429] search_workerEXIT-->L51-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_8 |v_ULTIMATE.start_search_#t~mem10_11|) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} AuxVars[] AssignedVars[][162], [112#L51-2true, 224#true, 119#search_workerENTRYtrue, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,459 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,460 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,460 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,460 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,463 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([429] search_workerEXIT-->L51-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_8 |v_ULTIMATE.start_search_#t~mem10_11|) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} AuxVars[] AssignedVars[][162], [112#L51-2true, 224#true, 150#search_workerENTRYtrue, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,463 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,463 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,463 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,463 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,504 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([427] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_7| v_search_workerThread1of1ForFork3_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} AuxVars[] AssignedVars[][163], [112#L51-2true, 224#true, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 153#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,504 INFO L383 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2020-10-11 19:56:09,505 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,506 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,506 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,508 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_5| v_search_workerThread1of1ForFork0_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} AuxVars[] AssignedVars[][161], [112#L51-2true, 224#true, 101#L24true, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,509 INFO L383 tUnfolder$Statistics]: this new event has 119 ancestors and is not cut-off event [2020-10-11 19:56:09,509 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is not cut-off event [2020-10-11 19:56:09,509 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is not cut-off event [2020-10-11 19:56:09,509 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is not cut-off event [2020-10-11 19:56:09,512 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([427] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_7| v_search_workerThread1of1ForFork3_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} AuxVars[] AssignedVars[][163], [112#L51-2true, 224#true, 101#L24true, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,512 INFO L383 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2020-10-11 19:56:09,512 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2020-10-11 19:56:09,512 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2020-10-11 19:56:09,513 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2020-10-11 19:56:09,515 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] search_workerEXIT-->L52-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_10 |v_ULTIMATE.start_search_#t~mem11_11|) InVars {search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_10, ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_11|} OutVars{search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_10, ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_11|} AuxVars[] AssignedVars[][167], [224#true, 170#L52-2true, 235#(and (not (= search_workerThread1of1ForFork1_thidvar0 |ULTIMATE.start_search_#t~mem11|)) (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,515 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2020-10-11 19:56:09,516 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:09,516 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:09,516 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2020-10-11 19:56:09,517 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([430] search_workerEXIT-->L52-2: Formula: (= |v_ULTIMATE.start_search_#t~mem11_5| v_search_workerThread1of1ForFork0_thidvar0_10) InVars {ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_10} OutVars{ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_10} AuxVars[] AssignedVars[][168], [224#true, 170#L52-2true, 235#(and (not (= search_workerThread1of1ForFork1_thidvar0 |ULTIMATE.start_search_#t~mem11|)) (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,517 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2020-10-11 19:56:09,517 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:09,517 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2020-10-11 19:56:09,518 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:09,525 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([427] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_7| v_search_workerThread1of1ForFork3_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} AuxVars[] AssignedVars[][163], [112#L51-2true, 224#true, 102#L24true, 233#(and (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,525 INFO L383 tUnfolder$Statistics]: this new event has 137 ancestors and is cut-off event [2020-10-11 19:56:09,526 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2020-10-11 19:56:09,526 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2020-10-11 19:56:09,526 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2020-10-11 19:56:09,527 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([431] search_workerEXIT-->L52-2: Formula: (= |v_ULTIMATE.start_search_#t~mem11_7| v_search_workerThread1of1ForFork3_thidvar0_10) InVars {ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_10} OutVars{ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_10} AuxVars[] AssignedVars[][169], [224#true, 170#L52-2true, 235#(and (not (= search_workerThread1of1ForFork1_thidvar0 |ULTIMATE.start_search_#t~mem11|)) (= search_workerThread1of1ForFork1_thidvar0 0) (not (= search_workerThread1of1ForFork1_thidvar0 (select (select |#memory_int| |ULTIMATE.start_search_~#searcher4~0.base|) |ULTIMATE.start_search_~#searcher4~0.offset|)))), 237#true]) [2020-10-11 19:56:09,528 INFO L383 tUnfolder$Statistics]: this new event has 138 ancestors and is cut-off event [2020-10-11 19:56:09,528 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2020-10-11 19:56:09,528 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:09,528 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:09,540 INFO L129 PetriNetUnfolder]: 227/798 cut-off events. [2020-10-11 19:56:09,540 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 19:56:09,547 INFO L80 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 798 events. 227/798 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3867 event pairs, 6 based on Foata normal form. 1/695 useless extension candidates. Maximal degree in co-relation 888. Up to 102 conditions per place. [2020-10-11 19:56:09,558 INFO L132 encePairwiseOnDemand]: 228/234 looper letters, 6 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2020-10-11 19:56:09,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 216 transitions, 485 flow [2020-10-11 19:56:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 19:56:09,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 19:56:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2020-10-11 19:56:09,561 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9700854700854701 [2020-10-11 19:56:09,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2020-10-11 19:56:09,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2020-10-11 19:56:09,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:56:09,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2020-10-11 19:56:09,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 19:56:09,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 19:56:09,565 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 19:56:09,565 INFO L185 Difference]: Start difference. First operand has 202 places, 212 transitions, 455 flow. Second operand 3 states and 681 transitions. [2020-10-11 19:56:09,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 216 transitions, 485 flow [2020-10-11 19:56:09,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 216 transitions, 473 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 19:56:09,574 INFO L241 Difference]: Finished difference. Result has 201 places, 216 transitions, 476 flow [2020-10-11 19:56:09,575 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=201, PETRI_TRANSITIONS=216} [2020-10-11 19:56:09,575 INFO L341 CegarLoopForPetriNet]: 205 programPoint places, -4 predicate places. [2020-10-11 19:56:09,575 INFO L481 AbstractCegarLoop]: Abstraction has has 201 places, 216 transitions, 476 flow [2020-10-11 19:56:09,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 19:56:09,575 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:56:09,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:56:09,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 19:56:09,577 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 19:56:09,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:56:09,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1767415077, now seen corresponding path program 1 times [2020-10-11 19:56:09,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:56:09,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859101911] [2020-10-11 19:56:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:56:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:56:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:56:09,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859101911] [2020-10-11 19:56:09,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:56:09,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:56:09,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461318144] [2020-10-11 19:56:09,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:56:09,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:56:09,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:56:09,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:56:09,876 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 234 [2020-10-11 19:56:09,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 216 transitions, 476 flow. Second operand 5 states. [2020-10-11 19:56:09,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:56:09,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 234 [2020-10-11 19:56:09,877 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:56:09,981 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([427] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_7| v_search_workerThread1of1ForFork3_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} AuxVars[] AssignedVars[][163], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 155#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,982 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,982 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,982 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,982 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,983 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([427] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_7| v_search_workerThread1of1ForFork3_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} AuxVars[] AssignedVars[][163], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 119#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,983 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,984 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,984 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,984 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,986 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_5| v_search_workerThread1of1ForFork0_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} AuxVars[] AssignedVars[][161], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 150#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,986 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,986 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,986 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,986 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,988 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_5| v_search_workerThread1of1ForFork0_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} AuxVars[] AssignedVars[][161], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 153#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,988 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,988 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,988 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,988 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,996 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_5| v_search_workerThread1of1ForFork0_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_8} AuxVars[] AssignedVars[][161], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 155#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,996 INFO L383 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2020-10-11 19:56:09,996 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,996 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,997 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,997 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([429] search_workerEXIT-->L51-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_8 |v_ULTIMATE.start_search_#t~mem10_11|) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} AuxVars[] AssignedVars[][162], [224#true, 112#L51-2true, Black: 239#(= ~search_found~0 0), 242#true, 119#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,998 INFO L383 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2020-10-11 19:56:09,998 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,998 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:09,998 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,999 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([429] search_workerEXIT-->L51-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_8 |v_ULTIMATE.start_search_#t~mem10_11|) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} AuxVars[] AssignedVars[][162], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 150#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:09,999 INFO L383 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2020-10-11 19:56:09,999 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:09,999 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:10,000 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:10,000 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([429] search_workerEXIT-->L51-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_8 |v_ULTIMATE.start_search_#t~mem10_11|) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_11|, search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_8} AuxVars[] AssignedVars[][162], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 153#search_workerENTRYtrue, 237#true]) [2020-10-11 19:56:10,000 INFO L383 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2020-10-11 19:56:10,000 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:10,001 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2020-10-11 19:56:10,001 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2020-10-11 19:56:10,006 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([430] search_workerEXIT-->L52-2: Formula: (= |v_ULTIMATE.start_search_#t~mem11_5| v_search_workerThread1of1ForFork0_thidvar0_10) InVars {ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_10} OutVars{ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_5|, search_workerThread1of1ForFork0_thidvar0=v_search_workerThread1of1ForFork0_thidvar0_10} AuxVars[] AssignedVars[][168], [224#true, Black: 239#(= ~search_found~0 0), 242#true, 170#L52-2true, 237#true]) [2020-10-11 19:56:10,007 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2020-10-11 19:56:10,007 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2020-10-11 19:56:10,007 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:10,007 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:10,007 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([431] search_workerEXIT-->L52-2: Formula: (= |v_ULTIMATE.start_search_#t~mem11_7| v_search_workerThread1of1ForFork3_thidvar0_10) InVars {ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_10} OutVars{ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_10} AuxVars[] AssignedVars[][169], [224#true, Black: 239#(= ~search_found~0 0), 242#true, 170#L52-2true, 237#true]) [2020-10-11 19:56:10,008 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2020-10-11 19:56:10,008 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:10,008 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:10,008 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2020-10-11 19:56:10,013 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([427] search_workerEXIT-->L51-2: Formula: (= |v_ULTIMATE.start_search_#t~mem10_7| v_search_workerThread1of1ForFork3_thidvar0_8) InVars {ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} OutVars{ULTIMATE.start_search_#t~mem10=|v_ULTIMATE.start_search_#t~mem10_7|, search_workerThread1of1ForFork3_thidvar0=v_search_workerThread1of1ForFork3_thidvar0_8} AuxVars[] AssignedVars[][163], [112#L51-2true, 224#true, Black: 239#(= ~search_found~0 0), 242#true, 102#L24true, 237#true]) [2020-10-11 19:56:10,013 INFO L383 tUnfolder$Statistics]: this new event has 137 ancestors and is cut-off event [2020-10-11 19:56:10,013 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2020-10-11 19:56:10,014 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2020-10-11 19:56:10,014 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2020-10-11 19:56:10,014 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] search_workerEXIT-->L52-2: Formula: (= v_search_workerThread1of1ForFork2_thidvar0_10 |v_ULTIMATE.start_search_#t~mem11_11|) InVars {search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_10, ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_11|} OutVars{search_workerThread1of1ForFork2_thidvar0=v_search_workerThread1of1ForFork2_thidvar0_10, ULTIMATE.start_search_#t~mem11=|v_ULTIMATE.start_search_#t~mem11_11|} AuxVars[] AssignedVars[][167], [224#true, Black: 239#(= ~search_found~0 0), 242#true, 170#L52-2true, 237#true]) [2020-10-11 19:56:10,014 INFO L383 tUnfolder$Statistics]: this new event has 138 ancestors and is cut-off event [2020-10-11 19:56:10,015 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:10,015 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2020-10-11 19:56:10,015 INFO L386 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2020-10-11 19:56:10,065 INFO L129 PetriNetUnfolder]: 231/811 cut-off events. [2020-10-11 19:56:10,065 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 19:56:10,076 INFO L80 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 811 events. 231/811 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3938 event pairs, 6 based on Foata normal form. 2/707 useless extension candidates. Maximal degree in co-relation 900. Up to 102 conditions per place. [2020-10-11 19:56:10,085 INFO L132 encePairwiseOnDemand]: 229/234 looper letters, 7 selfloop transitions, 0 changer transitions 21/219 dead transitions. [2020-10-11 19:56:10,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 219 transitions, 504 flow [2020-10-11 19:56:10,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 19:56:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 19:56:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1338 transitions. [2020-10-11 19:56:10,090 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9529914529914529 [2020-10-11 19:56:10,090 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1338 transitions. [2020-10-11 19:56:10,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1338 transitions. [2020-10-11 19:56:10,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:56:10,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1338 transitions. [2020-10-11 19:56:10,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 19:56:10,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 19:56:10,097 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 19:56:10,097 INFO L185 Difference]: Start difference. First operand has 201 places, 216 transitions, 476 flow. Second operand 6 states and 1338 transitions. [2020-10-11 19:56:10,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 219 transitions, 504 flow [2020-10-11 19:56:10,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 219 transitions, 499 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 19:56:10,103 INFO L241 Difference]: Finished difference. Result has 209 places, 198 transitions, 443 flow [2020-10-11 19:56:10,104 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=443, PETRI_PLACES=209, PETRI_TRANSITIONS=198} [2020-10-11 19:56:10,104 INFO L341 CegarLoopForPetriNet]: 205 programPoint places, 4 predicate places. [2020-10-11 19:56:10,104 INFO L481 AbstractCegarLoop]: Abstraction has has 209 places, 198 transitions, 443 flow [2020-10-11 19:56:10,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:56:10,104 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:56:10,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:56:10,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 19:56:10,105 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 19:56:10,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:56:10,105 INFO L82 PathProgramCache]: Analyzing trace with hash 686017575, now seen corresponding path program 1 times [2020-10-11 19:56:10,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:56:10,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575081157] [2020-10-11 19:56:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:56:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:56:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:56:12,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575081157] [2020-10-11 19:56:12,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289466103] [2020-10-11 19:56:12,490 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 [2020-10-11 19:56:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:56:12,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 87 conjunts are in the unsatisfiable core [2020-10-11 19:56:12,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 19:56:12,750 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-11 19:56:12,751 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:12,756 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:12,757 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:12,757 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-11 19:56:12,801 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:12,801 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-10-11 19:56:12,802 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:12,842 INFO L625 ElimStorePlain]: treesize reduction 14, result has 70.2 percent of original size [2020-10-11 19:56:12,843 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:12,843 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:33 [2020-10-11 19:56:12,962 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:12,963 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-10-11 19:56:12,966 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:13,023 INFO L625 ElimStorePlain]: treesize reduction 28, result has 62.2 percent of original size [2020-10-11 19:56:13,024 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:13,024 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:46 [2020-10-11 19:56:13,168 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:13,168 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 99 [2020-10-11 19:56:13,170 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:13,246 INFO L625 ElimStorePlain]: treesize reduction 42, result has 60.0 percent of original size [2020-10-11 19:56:13,247 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:13,247 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:63 [2020-10-11 19:56:13,432 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:13,433 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 129 [2020-10-11 19:56:13,435 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:13,547 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-10-11 19:56:13,549 INFO L625 ElimStorePlain]: treesize reduction 56, result has 60.0 percent of original size [2020-10-11 19:56:13,549 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:13,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:84 [2020-10-11 19:56:14,017 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:14,017 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 59 [2020-10-11 19:56:14,019 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:14,064 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:14,065 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:14,065 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:82 [2020-10-11 19:56:14,359 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-10-11 19:56:14,361 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:14,412 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:14,419 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-11 19:56:14,419 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:97, output treesize:93 [2020-10-11 19:56:15,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 19:56:16,044 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-11 19:56:16,929 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 46 [2020-10-11 19:56:16,930 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:17,008 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:17,026 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-11 19:56:17,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:114, output treesize:110 [2020-10-11 19:56:17,590 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2020-10-11 19:56:17,591 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:17,656 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:17,678 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-10-11 19:56:17,679 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:121, output treesize:117 [2020-10-11 19:56:18,247 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 66 [2020-10-11 19:56:18,249 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:18,331 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:18,388 INFO L545 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-10-11 19:56:18,389 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:128, output treesize:124 [2020-10-11 19:56:25,943 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 30 [2020-10-11 19:56:25,946 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 19:56:25,974 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 19:56:25,976 INFO L545 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 19:56:25,977 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:135, output treesize:7 [2020-10-11 19:56:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:56:26,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 19:56:26,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 55 [2020-10-11 19:56:26,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078333337] [2020-10-11 19:56:26,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-11 19:56:26,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:56:26,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-11 19:56:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2901, Unknown=0, NotChecked=0, Total=3080 [2020-10-11 20:04:31,769 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 234 [2020-10-11 20:04:31,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 198 transitions, 443 flow. Second operand 56 states. [2020-10-11 20:04:31,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 20:04:31,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 234 [2020-10-11 20:04:31,780 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 20:04:33,665 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-11 20:04:33,984 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-11 20:04:34,321 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-11 20:04:34,692 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-11 20:04:35,014 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-11 20:04:35,381 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-11 20:04:36,019 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-11 20:04:36,762 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2020-10-11 20:04:37,640 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 131 [2020-10-11 20:04:38,582 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 133 [2020-10-11 20:04:39,615 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-10-11 20:04:40,525 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 133 [2020-10-11 20:04:41,744 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-10-11 20:04:42,927 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-10-11 20:04:47,640 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-11 20:04:52,004 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-10-11 20:05:09,309 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 163 DAG size of output: 149 [2020-10-11 20:05:25,110 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 161 DAG size of output: 147 [2020-10-11 20:05:33,107 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2020-10-11 20:06:02,796 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2020-10-11 20:06:05,064 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2020-10-11 20:06:52,260 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-10-11 20:06:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-11 20:06:52,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 20:06:52,463 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.NestedWordAutomataUtils.getSuccessorState(NestedWordAutomataUtils.java:483) at de.uni_freiburg.informatik.ultimate.automata.petrinet.operations.DifferencePetriNet$DifferenceSuccessorTransitionProvider.getOrConstructTransition(DifferencePetriNet.java:450) at de.uni_freiburg.informatik.ultimate.automata.petrinet.operations.DifferencePetriNet$DifferenceSuccessorTransitionProvider.getTransitions(DifferencePetriNet.java:431) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PossibleExtensions.addFullyInstantiatedCandidate(PossibleExtensions.java:170) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PossibleExtensions.evolveCandidate(PossibleExtensions.java:195) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PossibleExtensions.evolveCandidate(PossibleExtensions.java:210) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PossibleExtensions.update(PossibleExtensions.java:136) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PetriNetUnfolder.computeUnfoldingHelper(PetriNetUnfolder.java:208) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PetriNetUnfolder.computeUnfolding(PetriNetUnfolder.java:167) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.PetriNetUnfolder.(PetriNetUnfolder.java:128) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.FinitePrefix.(FinitePrefix.java:73) at de.uni_freiburg.informatik.ultimate.automata.petrinet.unfolding.FinitePrefix.(FinitePrefix.java:62) at de.uni_freiburg.informatik.ultimate.automata.petrinet.operations.DifferencePairwiseOnDemand.(DifferencePairwiseOnDemand.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.enhanceAnddeterminizeInterpolantAutomaton(CegarLoopForPetriNet.java:516) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.refineAbstraction(CegarLoopForPetriNet.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 49 more [2020-10-11 20:06:52,471 INFO L168 Benchmark]: Toolchain (without parser) took 646885.58 ms. Allocated memory was 251.7 MB in the beginning and 228.6 MB in the end (delta: -23.1 MB). Free memory was 207.0 MB in the beginning and 153.8 MB in the end (delta: 53.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. [2020-10-11 20:06:52,471 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 20:06:52,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.76 ms. Allocated memory was 251.7 MB in the beginning and 314.6 MB in the end (delta: 62.9 MB). Free memory was 207.0 MB in the beginning and 286.2 MB in the end (delta: -79.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 14.2 GB. [2020-10-11 20:06:52,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 314.6 MB. Free memory was 286.2 MB in the beginning and 283.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 20:06:52,474 INFO L168 Benchmark]: Boogie Preprocessor took 36.23 ms. Allocated memory is still 314.6 MB. Free memory is still 283.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 20:06:52,475 INFO L168 Benchmark]: RCFGBuilder took 550.62 ms. Allocated memory is still 314.6 MB. Free memory was 283.7 MB in the beginning and 251.1 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.2 GB. [2020-10-11 20:06:52,475 INFO L168 Benchmark]: TraceAbstraction took 645838.59 ms. Allocated memory was 314.6 MB in the beginning and 228.6 MB in the end (delta: -86.0 MB). Free memory was 251.1 MB in the beginning and 153.8 MB in the end (delta: 97.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.2 GB. [2020-10-11 20:06:52,479 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 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 406.76 ms. Allocated memory was 251.7 MB in the beginning and 314.6 MB in the end (delta: 62.9 MB). Free memory was 207.0 MB in the beginning and 286.2 MB in the end (delta: -79.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 314.6 MB. Free memory was 286.2 MB in the beginning and 283.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.23 ms. Allocated memory is still 314.6 MB. Free memory is still 283.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 550.62 ms. Allocated memory is still 314.6 MB. Free memory was 283.7 MB in the beginning and 251.1 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 645838.59 ms. Allocated memory was 314.6 MB in the beginning and 228.6 MB in the end (delta: -86.0 MB). Free memory was 251.1 MB in the beginning and 153.8 MB in the end (delta: 97.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...