/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 03:37:45,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 03:37:45,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 03:37:45,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 03:37:45,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 03:37:45,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 03:37:45,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 03:37:45,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 03:37:45,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 03:37:45,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 03:37:45,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 03:37:45,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 03:37:45,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 03:37:45,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 03:37:45,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 03:37:45,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 03:37:45,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 03:37:45,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 03:37:45,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 03:37:45,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 03:37:45,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 03:37:45,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 03:37:45,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 03:37:45,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 03:37:45,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 03:37:45,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 03:37:45,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 03:37:45,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 03:37:45,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 03:37:45,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 03:37:45,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 03:37:45,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 03:37:45,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 03:37:45,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 03:37:45,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 03:37:45,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 03:37:45,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 03:37:45,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 03:37:45,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 03:37:45,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 03:37:45,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 03:37:45,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 03:37:45,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 03:37:45,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 03:37:45,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 03:37:45,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 03:37:45,817 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 03:37:45,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 03:37:45,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 03:37:45,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 03:37:45,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 03:37:45,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 03:37:45,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 03:37:45,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 03:37:45,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 03:37:45,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 03:37:45,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 03:37:45,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 03:37:45,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 03:37:45,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 03:37:45,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 03:37:45,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 03:37:45,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 03:37:45,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 03:37:45,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 03:37:45,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 03:37:45,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 03:37:45,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 03:37:45,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 03:37:45,823 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 03:37:45,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 03:37:45,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 03:37:45,823 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 03:37:46,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 03:37:46,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 03:37:46,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 03:37:46,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 03:37:46,232 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 03:37:46,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-04-29 03:37:46,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20024abb8/631f3bee30004ee4af34b9df5b056f19/FLAG418d6ab0a [2021-04-29 03:37:47,017 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 03:37:47,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-04-29 03:37:47,018 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-04-29 03:37:47,019 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-04-29 03:37:47,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20024abb8/631f3bee30004ee4af34b9df5b056f19/FLAG418d6ab0a [2021-04-29 03:37:47,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20024abb8/631f3bee30004ee4af34b9df5b056f19 [2021-04-29 03:37:47,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 03:37:47,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 03:37:47,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 03:37:47,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 03:37:47,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 03:37:47,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab93bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47, skipping insertion in model container [2021-04-29 03:37:47,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 03:37:47,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 03:37:47,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 03:37:47,624 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 03:37:47,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 03:37:47,657 INFO L208 MainTranslator]: Completed translation [2021-04-29 03:37:47,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47 WrapperNode [2021-04-29 03:37:47,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 03:37:47,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 03:37:47,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 03:37:47,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 03:37:47,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 03:37:47,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 03:37:47,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 03:37:47,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 03:37:47,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... [2021-04-29 03:37:47,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 03:37:47,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 03:37:47,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 03:37:47,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 03:37:47,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 03:37:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-04-29 03:37:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 03:37:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure add [2021-04-29 03:37:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2021-04-29 03:37:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 03:37:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 03:37:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 03:37:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-29 03:37:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-04-29 03:37:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 03:37:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 03:37:47,849 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 03:37:48,271 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 03:37:48,272 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-04-29 03:37:48,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 03:37:48 BoogieIcfgContainer [2021-04-29 03:37:48,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 03:37:48,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 03:37:48,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 03:37:48,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 03:37:48,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 03:37:47" (1/3) ... [2021-04-29 03:37:48,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32917422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 03:37:48, skipping insertion in model container [2021-04-29 03:37:48,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 03:37:47" (2/3) ... [2021-04-29 03:37:48,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32917422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 03:37:48, skipping insertion in model container [2021-04-29 03:37:48,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 03:37:48" (3/3) ... [2021-04-29 03:37:48,285 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleParameter.c [2021-04-29 03:37:48,293 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 03:37:48,299 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 03:37:48,300 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 03:37:48,411 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,412 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,412 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,412 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,413 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,413 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,413 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,413 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,418 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,419 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,419 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,419 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,420 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,420 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,420 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,420 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,421 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,421 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,421 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,421 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,422 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,422 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,422 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,422 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,423 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,423 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,423 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,423 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,424 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,424 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,424 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,424 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,425 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,425 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,425 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,425 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,426 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,426 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,426 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,426 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,427 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,427 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,427 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,427 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,430 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,431 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,431 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,431 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,431 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,432 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,432 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,432 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,432 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:37:48,443 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-29 03:37:48,468 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 03:37:48,496 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:37:48,496 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:37:48,496 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:37:48,496 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:37:48,496 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:37:48,497 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:37:48,497 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:37:48,497 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:37:48,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 92 flow [2021-04-29 03:37:48,548 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 03:37:48,548 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 03:37:48,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 41 events. 0/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 03:37:48,554 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 42 transitions, 92 flow [2021-04-29 03:37:48,566 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 31 transitions, 68 flow [2021-04-29 03:37:48,569 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:37:48,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 31 transitions, 68 flow [2021-04-29 03:37:48,605 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 31 transitions, 68 flow [2021-04-29 03:37:48,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions, 68 flow [2021-04-29 03:37:48,645 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-04-29 03:37:48,645 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 03:37:48,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 31 events. 0/31 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 03:37:48,651 INFO L146 LiptonReduction]: Number of co-enabled transitions 54 [2021-04-29 03:37:50,734 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 03:37:51,111 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 03:37:51,312 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 03:37:51,994 INFO L158 LiptonReduction]: Checked pairs total: 90 [2021-04-29 03:37:51,995 INFO L160 LiptonReduction]: Total number of compositions: 53 [2021-04-29 03:37:51,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3431 [2021-04-29 03:37:52,022 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-04-29 03:37:52,022 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 03:37:52,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:37:52,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-04-29 03:37:52,024 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:37:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:37:52,031 INFO L82 PathProgramCache]: Analyzing trace with hash 606038726, now seen corresponding path program 1 times [2021-04-29 03:37:52,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:37:52,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070610974] [2021-04-29 03:37:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:37:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 03:37:52,288 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-04-29 03:37:52,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 03:37:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:37:52,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 03:37:52,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:37:52,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 03:37:52,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:37:52,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 03:37:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 03:37:52,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070610974] [2021-04-29 03:37:52,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 03:37:52,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 03:37:52,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700574744] [2021-04-29 03:37:52,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 03:37:52,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 03:37:52,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 03:37:52,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 03:37:52,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 95 [2021-04-29 03:37:52,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 82 flow. Second operand has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 03:37:52,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 03:37:52,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 95 [2021-04-29 03:37:52,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 03:37:52,672 INFO L129 PetriNetUnfolder]: 15/67 cut-off events. [2021-04-29 03:37:52,672 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 03:37:52,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 67 events. 15/67 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 278 event pairs, 13 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 94. Up to 41 conditions per place. [2021-04-29 03:37:52,675 INFO L132 encePairwiseOnDemand]: 82/95 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2021-04-29 03:37:52,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 38 transitions, 144 flow [2021-04-29 03:37:52,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 03:37:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 03:37:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 293 transitions. [2021-04-29 03:37:52,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38552631578947366 [2021-04-29 03:37:52,694 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 293 transitions. [2021-04-29 03:37:52,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 293 transitions. [2021-04-29 03:37:52,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 03:37:52,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 293 transitions. [2021-04-29 03:37:52,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 36.625) internal successors, (293), 8 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 03:37:52,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 95.0) internal successors, (855), 9 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 03:37:52,713 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 95.0) internal successors, (855), 9 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 03:37:52,715 INFO L185 Difference]: Start difference. First operand has 42 places, 38 transitions, 82 flow. Second operand 8 states and 293 transitions. [2021-04-29 03:37:52,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 38 transitions, 144 flow [2021-04-29 03:37:52,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 03:37:52,721 INFO L241 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2021-04-29 03:37:52,723 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2021-04-29 03:37:52,724 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places. [2021-04-29 03:37:52,724 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:37:52,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 0 transitions, 0 flow [2021-04-29 03:37:52,725 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 0 transitions, 0 flow [2021-04-29 03:37:52,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 03:37:52,726 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 03:37:52,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:37:52,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 03:37:52,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 03:37:52,726 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 03:37:52,727 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 03:37:52,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-04-29 03:37:52,728 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 03:37:52,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 03:37:52,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 03:37:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 03:37:52 BasicIcfg [2021-04-29 03:37:52,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 03:37:52,735 INFO L168 Benchmark]: Toolchain (without parser) took 5341.34 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 276.8 MB in the beginning and 269.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.0 GB. [2021-04-29 03:37:52,736 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 03:37:52,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.91 ms. Allocated memory is still 302.0 MB. Free memory was 273.5 MB in the beginning and 264.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-04-29 03:37:52,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.55 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 263.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 03:37:52,738 INFO L168 Benchmark]: Boogie Preprocessor took 26.64 ms. Allocated memory is still 302.0 MB. Free memory was 263.2 MB in the beginning and 262.2 MB in the end (delta: 977.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 03:37:52,739 INFO L168 Benchmark]: RCFGBuilder took 545.15 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 246.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-04-29 03:37:52,740 INFO L168 Benchmark]: TraceAbstraction took 4457.06 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 246.2 MB in the beginning and 269.7 MB in the end (delta: -23.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 16.0 GB. [2021-04-29 03:37:52,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 227.91 ms. Allocated memory is still 302.0 MB. Free memory was 273.5 MB in the beginning and 264.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.55 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 263.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.64 ms. Allocated memory is still 302.0 MB. Free memory was 263.2 MB in the beginning and 262.2 MB in the end (delta: 977.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 545.15 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 246.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4457.06 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 246.2 MB in the beginning and 269.7 MB in the end (delta: -23.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3390.3ms, 35 PlacesBefore, 42 PlacesAfterwards, 31 TransitionsBefore, 38 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4ms, 46 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4239.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 337.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3510.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 30 SDslu, 8 SDs, 0 SdLazy, 80 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 104.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 137.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.5ms SsaConstructionTime, 56.4ms SatisfiabilityAnalysisTime, 175.4ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...