/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 22:06:43,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 22:06:43,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 22:06:43,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 22:06:43,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 22:06:43,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 22:06:43,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 22:06:43,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 22:06:43,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 22:06:43,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 22:06:43,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 22:06:43,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 22:06:43,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 22:06:43,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 22:06:43,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 22:06:43,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 22:06:43,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 22:06:43,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 22:06:43,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 22:06:43,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 22:06:43,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 22:06:43,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 22:06:43,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 22:06:43,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 22:06:43,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 22:06:43,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 22:06:43,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 22:06:43,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 22:06:43,803 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-FA-NoLbe-Separate.epf [2021-05-21 22:06:43,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 22:06:43,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 22:06:43,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 22:06:43,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 22:06:43,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 22:06:43,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 22:06:43,842 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 22:06:43,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 22:06:43,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 22:06:43,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 22:06:43,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 22:06:43,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 22:06:43,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 22:06:43,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 22:06:43,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 22:06:43,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 22:06:43,845 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 22:06:43,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 22:06:43,846 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-21 22:06:43,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 22:06:44,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 22:06:44,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 22:06:44,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 22:06:44,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 22:06:44,193 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 22:06:44,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-05-21 22:06:44,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708cf104a/0bb552dbc9c54e7094228911b1f31ab5/FLAG7e56d4c70 [2021-05-21 22:06:44,802 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 22:06:44,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-05-21 22:06:44,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708cf104a/0bb552dbc9c54e7094228911b1f31ab5/FLAG7e56d4c70 [2021-05-21 22:06:45,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708cf104a/0bb552dbc9c54e7094228911b1f31ab5 [2021-05-21 22:06:45,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 22:06:45,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 22:06:45,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 22:06:45,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 22:06:45,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 22:06:45,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243de739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45, skipping insertion in model container [2021-05-21 22:06:45,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 22:06:45,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 22:06:45,522 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-05-21 22:06:45,531 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-05-21 22:06:45,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 22:06:45,568 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 22:06:45,621 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-05-21 22:06:45,623 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-05-21 22:06:45,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 22:06:45,693 INFO L208 MainTranslator]: Completed translation [2021-05-21 22:06:45,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45 WrapperNode [2021-05-21 22:06:45,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 22:06:45,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 22:06:45,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 22:06:45,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 22:06:45,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 22:06:45,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 22:06:45,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 22:06:45,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 22:06:45,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (1/1) ... [2021-05-21 22:06:45,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 22:06:45,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 22:06:45,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 22:06:45,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 22:06:45,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (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 [2021-05-21 22:06:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-05-21 22:06:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-05-21 22:06:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 22:06:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-05-21 22:06:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-05-21 22:06:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 22:06:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-21 22:06:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 22:06:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 22:06:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 22:06:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 22:06:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 22:06:45,863 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 22:06:46,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 22:06:46,188 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-05-21 22:06:46,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 10:06:46 BoogieIcfgContainer [2021-05-21 22:06:46,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 22:06:46,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 22:06:46,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 22:06:46,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 22:06:46,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 10:06:45" (1/3) ... [2021-05-21 22:06:46,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e55b7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 10:06:46, skipping insertion in model container [2021-05-21 22:06:46,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:45" (2/3) ... [2021-05-21 22:06:46,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e55b7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 10:06:46, skipping insertion in model container [2021-05-21 22:06:46,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 10:06:46" (3/3) ... [2021-05-21 22:06:46,195 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-05-21 22:06:46,200 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 22:06:46,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 22:06:46,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-05-21 22:06:46,201 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 22:06:46,224 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,224 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,224 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,224 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,225 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,225 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,225 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,225 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,225 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,225 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,226 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,226 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,226 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,226 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,227 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,227 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,227 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,229 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,229 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,229 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,229 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,229 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,229 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,230 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,230 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,230 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,230 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,230 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,230 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,231 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,231 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,231 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,231 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,233 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,233 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,234 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,234 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,234 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,238 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,238 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,238 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,239 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,239 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,239 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:46,247 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-21 22:06:46,261 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-05-21 22:06:46,275 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:06:46,275 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:06:46,276 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:06:46,276 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:06:46,276 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:06:46,276 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:06:46,276 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:06:46,276 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:06:46,285 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 214 flow [2021-05-21 22:06:46,353 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 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) [2021-05-21 22:06:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 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) [2021-05-21 22:06:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-05-21 22:06:46,364 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:46,364 INFO L521 BasicCegarLoop]: 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] [2021-05-21 22:06:46,365 INFO L430 AbstractCegarLoop]: === Iteration 1 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:46,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:46,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1944255627, now seen corresponding path program 1 times [2021-05-21 22:06:46,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:46,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939703867] [2021-05-21 22:06:46,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:46,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:46,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939703867] [2021-05-21 22:06:46,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939703867] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:46,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:46,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 22:06:46,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002285885] [2021-05-21 22:06:46,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:06:46,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:46,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:06:46,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:46,684 INFO L87 Difference]: Start difference. First operand has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 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) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-05-21 22:06:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:46,748 INFO L93 Difference]: Finished difference Result 1051 states and 2612 transitions. [2021-05-21 22:06:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:06:46,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) Word has length 43 [2021-05-21 22:06:46,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:46,768 INFO L225 Difference]: With dead ends: 1051 [2021-05-21 22:06:46,768 INFO L226 Difference]: Without dead ends: 953 [2021-05-21 22:06:46,769 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:46,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-05-21 22:06:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2021-05-21 22:06:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 950 states have (on average 2.482105263157895) internal successors, (2358), 952 states have internal predecessors, (2358), 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) [2021-05-21 22:06:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2358 transitions. [2021-05-21 22:06:46,880 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2358 transitions. Word has length 43 [2021-05-21 22:06:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:46,881 INFO L482 AbstractCegarLoop]: Abstraction has 953 states and 2358 transitions. [2021-05-21 22:06:46,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-05-21 22:06:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2358 transitions. [2021-05-21 22:06:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 22:06:46,883 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:46,883 INFO L521 BasicCegarLoop]: 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] [2021-05-21 22:06:46,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 22:06:46,884 INFO L430 AbstractCegarLoop]: === Iteration 2 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:46,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1041569185, now seen corresponding path program 1 times [2021-05-21 22:06:46,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:46,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48513265] [2021-05-21 22:06:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:46,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:46,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48513265] [2021-05-21 22:06:46,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48513265] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:46,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:46,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 22:06:46,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976213498] [2021-05-21 22:06:46,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:06:46,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:46,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:06:46,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:46,940 INFO L87 Difference]: Start difference. First operand 953 states and 2358 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-05-21 22:06:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:46,982 INFO L93 Difference]: Finished difference Result 989 states and 2391 transitions. [2021-05-21 22:06:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:06:46,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) Word has length 48 [2021-05-21 22:06:46,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:46,987 INFO L225 Difference]: With dead ends: 989 [2021-05-21 22:06:46,987 INFO L226 Difference]: Without dead ends: 780 [2021-05-21 22:06:46,988 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:47,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-05-21 22:06:47,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 723. [2021-05-21 22:06:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 720 states have (on average 2.3625) internal successors, (1701), 722 states have internal predecessors, (1701), 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) [2021-05-21 22:06:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1701 transitions. [2021-05-21 22:06:47,021 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1701 transitions. Word has length 48 [2021-05-21 22:06:47,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:47,021 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 1701 transitions. [2021-05-21 22:06:47,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-05-21 22:06:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1701 transitions. [2021-05-21 22:06:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-21 22:06:47,029 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:47,030 INFO L521 BasicCegarLoop]: 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] [2021-05-21 22:06:47,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 22:06:47,030 INFO L430 AbstractCegarLoop]: === Iteration 3 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:47,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:47,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1390554518, now seen corresponding path program 1 times [2021-05-21 22:06:47,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:47,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726863630] [2021-05-21 22:06:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:47,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:47,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726863630] [2021-05-21 22:06:47,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726863630] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:47,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:47,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 22:06:47,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115732206] [2021-05-21 22:06:47,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:06:47,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:47,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:06:47,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:47,122 INFO L87 Difference]: Start difference. First operand 723 states and 1701 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-05-21 22:06:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:47,143 INFO L93 Difference]: Finished difference Result 638 states and 1438 transitions. [2021-05-21 22:06:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:06:47,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) Word has length 49 [2021-05-21 22:06:47,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:47,148 INFO L225 Difference]: With dead ends: 638 [2021-05-21 22:06:47,148 INFO L226 Difference]: Without dead ends: 500 [2021-05-21 22:06:47,148 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-05-21 22:06:47,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2021-05-21 22:06:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 498 states have (on average 2.2349397590361444) internal successors, (1113), 499 states have internal predecessors, (1113), 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) [2021-05-21 22:06:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 1113 transitions. [2021-05-21 22:06:47,161 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 1113 transitions. Word has length 49 [2021-05-21 22:06:47,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:47,163 INFO L482 AbstractCegarLoop]: Abstraction has 500 states and 1113 transitions. [2021-05-21 22:06:47,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-05-21 22:06:47,163 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1113 transitions. [2021-05-21 22:06:47,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-21 22:06:47,166 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:47,166 INFO L521 BasicCegarLoop]: 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] [2021-05-21 22:06:47,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 22:06:47,167 INFO L430 AbstractCegarLoop]: === Iteration 4 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:47,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:47,168 INFO L82 PathProgramCache]: Analyzing trace with hash 867673879, now seen corresponding path program 1 times [2021-05-21 22:06:47,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:47,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711573732] [2021-05-21 22:06:47,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:47,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:47,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711573732] [2021-05-21 22:06:47,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711573732] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:47,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:47,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 22:06:47,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565091773] [2021-05-21 22:06:47,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:06:47,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:47,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:06:47,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:47,238 INFO L87 Difference]: Start difference. First operand 500 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-05-21 22:06:47,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:47,247 INFO L93 Difference]: Finished difference Result 500 states and 1097 transitions. [2021-05-21 22:06:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:06:47,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) Word has length 59 [2021-05-21 22:06:47,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:47,249 INFO L225 Difference]: With dead ends: 500 [2021-05-21 22:06:47,249 INFO L226 Difference]: Without dead ends: 412 [2021-05-21 22:06:47,250 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:47,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-05-21 22:06:47,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2021-05-21 22:06:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 410 states have (on average 2.1682926829268294) internal successors, (889), 411 states have internal predecessors, (889), 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) [2021-05-21 22:06:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 889 transitions. [2021-05-21 22:06:47,260 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 889 transitions. Word has length 59 [2021-05-21 22:06:47,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:47,260 INFO L482 AbstractCegarLoop]: Abstraction has 412 states and 889 transitions. [2021-05-21 22:06:47,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-05-21 22:06:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 889 transitions. [2021-05-21 22:06:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-21 22:06:47,262 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:47,262 INFO L521 BasicCegarLoop]: 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] [2021-05-21 22:06:47,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 22:06:47,262 INFO L430 AbstractCegarLoop]: === Iteration 5 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:47,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:47,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1223682229, now seen corresponding path program 2 times [2021-05-21 22:06:47,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:47,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925204349] [2021-05-21 22:06:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:47,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:47,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925204349] [2021-05-21 22:06:47,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925204349] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:47,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:47,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:06:47,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543646791] [2021-05-21 22:06:47,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-21 22:06:47,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:47,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-21 22:06:47,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 22:06:47,334 INFO L87 Difference]: Start difference. First operand 412 states and 889 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-05-21 22:06:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:47,369 INFO L93 Difference]: Finished difference Result 214 states and 436 transitions. [2021-05-21 22:06:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-21 22:06:47,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) Word has length 59 [2021-05-21 22:06:47,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:47,371 INFO L225 Difference]: With dead ends: 214 [2021-05-21 22:06:47,371 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 22:06:47,371 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:06:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 22:06:47,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 22:06:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-05-21 22:06:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 22:06:47,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-05-21 22:06:47,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:47,372 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 22:06:47,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-05-21 22:06:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 22:06:47,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:06:47,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 22:06:47,373 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 22:06:47,376 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 22:06:47,377 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:06:47,377 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:06:47,377 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:06:47,377 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:06:47,377 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:06:47,377 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:06:47,377 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:06:47,377 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:06:47,385 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 214 flow [2021-05-21 22:06:47,410 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 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) [2021-05-21 22:06:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 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) [2021-05-21 22:06:47,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:06:47,417 INFO L315 ceAbstractionStarter]: Result for error location InUseError was SAFE (2/2) [2021-05-21 22:06:47,417 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 22:06:47,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 10:06:47 BasicIcfg [2021-05-21 22:06:47,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 22:06:47,421 INFO L168 Benchmark]: Toolchain (without parser) took 2160.59 ms. Allocated memory is still 373.3 MB. Free memory was 336.2 MB in the beginning and 186.8 MB in the end (delta: 149.4 MB). Peak memory consumption was 148.4 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:47,422 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 373.3 MB. Free memory was 354.3 MB in the beginning and 354.2 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 22:06:47,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.64 ms. Allocated memory is still 373.3 MB. Free memory was 335.9 MB in the beginning and 337.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:47,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.51 ms. Allocated memory is still 373.3 MB. Free memory was 337.8 MB in the beginning and 335.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:47,423 INFO L168 Benchmark]: Boogie Preprocessor took 28.37 ms. Allocated memory is still 373.3 MB. Free memory was 335.7 MB in the beginning and 334.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 22:06:47,426 INFO L168 Benchmark]: RCFGBuilder took 408.79 ms. Allocated memory is still 373.3 MB. Free memory was 334.7 MB in the beginning and 307.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:47,426 INFO L168 Benchmark]: TraceAbstraction took 1229.49 ms. Allocated memory is still 373.3 MB. Free memory was 307.4 MB in the beginning and 186.8 MB in the end (delta: 120.6 MB). Peak memory consumption was 121.6 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:47,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 373.3 MB. Free memory was 354.3 MB in the beginning and 354.2 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 429.64 ms. Allocated memory is still 373.3 MB. Free memory was 335.9 MB in the beginning and 337.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.51 ms. Allocated memory is still 373.3 MB. Free memory was 337.8 MB in the beginning and 335.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.37 ms. Allocated memory is still 373.3 MB. Free memory was 335.7 MB in the beginning and 334.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 408.79 ms. Allocated memory is still 373.3 MB. Free memory was 334.7 MB in the beginning and 307.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1229.49 ms. Allocated memory is still 373.3 MB. Free memory was 307.4 MB in the beginning and 186.8 MB in the end (delta: 120.6 MB). Peak memory consumption was 121.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 710]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1099.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 24.3ms, AutomataDifference: 234.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 77.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 422 SDtfs, 199 SDslu, 249 SDs, 0 SdLazy, 29 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1183occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 155.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.9ms SsaConstructionTime, 129.0ms SatisfiabilityAnalysisTime, 297.6ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1183occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...