/usr/bin/java -Xmx8000000000 -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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 11:15:59,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 11:15:59,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 11:15:59,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 11:15:59,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 11:15:59,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 11:15:59,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 11:15:59,685 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.epf [2021-08-21 11:15:59,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 11:15:59,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 11:15:59,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 11:15:59,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 11:15:59,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 11:15:59,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 11:15:59,716 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 11:15:59,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 11:15:59,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 11:15:59,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 11:15:59,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 11:15:59,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 11:15:59,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 11:15:59,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 11:15:59,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 11:15:59,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 11:15:59,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 11:15:59,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 11:15:59,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 11:15:59,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 11:15:59,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 11:15:59,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 11:15:59,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 11:15:59,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 11:15:59,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 11:15:59,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 11:15:59,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 11:15:59,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 11:15:59,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 11:15:59,720 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 11:15:59,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 11:15:59,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 11:15:59,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 11:15:59,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 11:15:59,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 11:15:59,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 11:15:59,973 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 11:15:59,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-08-21 11:16:00,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1703613/9096471ec70e4b5781d3ff4c0f0f73a8/FLAG9fb01f8a8 [2021-08-21 11:16:00,572 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 11:16:00,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-08-21 11:16:00,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1703613/9096471ec70e4b5781d3ff4c0f0f73a8/FLAG9fb01f8a8 [2021-08-21 11:16:00,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1703613/9096471ec70e4b5781d3ff4c0f0f73a8 [2021-08-21 11:16:00,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 11:16:00,777 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 11:16:00,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 11:16:00,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 11:16:00,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 11:16:00,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:16:00" (1/1) ... [2021-08-21 11:16:00,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ea5d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:00, skipping insertion in model container [2021-08-21 11:16:00,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:16:00" (1/1) ... [2021-08-21 11:16:00,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 11:16:00,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 11:16:01,086 WARN L228 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] [2021-08-21 11:16:01,099 WARN L228 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] [2021-08-21 11:16:01,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 11:16:01,130 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 11:16:01,156 WARN L228 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] [2021-08-21 11:16:01,157 WARN L228 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] [2021-08-21 11:16:01,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 11:16:01,188 INFO L208 MainTranslator]: Completed translation [2021-08-21 11:16:01,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01 WrapperNode [2021-08-21 11:16:01,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 11:16:01,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 11:16:01,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 11:16:01,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 11:16:01,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 11:16:01,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 11:16:01,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 11:16:01,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 11:16:01,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 11:16:01,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 11:16:01,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 11:16:01,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 11:16:01,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (1/1) ... [2021-08-21 11:16:01,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 11:16:01,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 11:16:01,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-21 11:16:01,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-21 11:16:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-08-21 11:16:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-08-21 11:16:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 11:16:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-08-21 11:16:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-08-21 11:16:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 11:16:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-21 11:16:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 11:16:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 11:16:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 11:16:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 11:16:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 11:16:01,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 11:16:01,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 11:16:01,757 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-21 11:16:01,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:16:01 BoogieIcfgContainer [2021-08-21 11:16:01,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 11:16:01,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 11:16:01,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 11:16:01,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 11:16:01,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:16:00" (1/3) ... [2021-08-21 11:16:01,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f975d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:16:01, skipping insertion in model container [2021-08-21 11:16:01,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:16:01" (2/3) ... [2021-08-21 11:16:01,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f975d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:16:01, skipping insertion in model container [2021-08-21 11:16:01,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:16:01" (3/3) ... [2021-08-21 11:16:01,763 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-08-21 11:16:01,766 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 11:16:01,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 11:16:01,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 11:16:01,766 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 11:16:01,786 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,786 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,786 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,787 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,788 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,788 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,788 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,788 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,788 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,789 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,790 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,791 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,791 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,791 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,791 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,793 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,793 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,793 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,793 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,794 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,797 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,797 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,798 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,798 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,798 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,798 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:16:01,803 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 11:16:01,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 11:16:01,833 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 11:16:01,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 11:16:01,840 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 94 transitions, 204 flow [2021-08-21 11:16:01,877 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1005 states, 1002 states have (on average 2.662674650698603) internal successors, (2668), 1004 states have internal predecessors, (2668), 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) [2021-08-21 11:16:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 1005 states, 1002 states have (on average 2.662674650698603) internal successors, (2668), 1004 states have internal predecessors, (2668), 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) [2021-08-21 11:16:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-08-21 11:16:01,886 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:16:01,887 INFO L512 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] [2021-08-21 11:16:01,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:16:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:16:01,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1626334727, now seen corresponding path program 1 times [2021-08-21 11:16:01,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:16:01,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41593535] [2021-08-21 11:16:01,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:16:01,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:16:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:16:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:16:02,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:16:02,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41593535] [2021-08-21 11:16:02,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41593535] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:16:02,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:16:02,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 11:16:02,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258737406] [2021-08-21 11:16:02,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:16:02,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:16:02,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:16:02,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,148 INFO L87 Difference]: Start difference. First operand has 1005 states, 1002 states have (on average 2.662674650698603) internal successors, (2668), 1004 states have internal predecessors, (2668), 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) [2021-08-21 11:16:02,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:16:02,210 INFO L93 Difference]: Finished difference Result 915 states and 2284 transitions. [2021-08-21 11:16:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:16:02,212 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 [2021-08-21 11:16:02,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:16:02,225 INFO L225 Difference]: With dead ends: 915 [2021-08-21 11:16:02,225 INFO L226 Difference]: Without dead ends: 914 [2021-08-21 11:16:02,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2021-08-21 11:16:02,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2021-08-21 11:16:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 911 states have (on average 2.5060373216245884) internal successors, (2283), 913 states have internal predecessors, (2283), 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) [2021-08-21 11:16:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 2283 transitions. [2021-08-21 11:16:02,302 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 2283 transitions. Word has length 43 [2021-08-21 11:16:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:16:02,302 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 2283 transitions. [2021-08-21 11:16:02,303 INFO L471 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) [2021-08-21 11:16:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 2283 transitions. [2021-08-21 11:16:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-21 11:16:02,304 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:16:02,304 INFO L512 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] [2021-08-21 11:16:02,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 11:16:02,305 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:16:02,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:16:02,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1021509199, now seen corresponding path program 1 times [2021-08-21 11:16:02,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:16:02,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936101212] [2021-08-21 11:16:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:16:02,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:16:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:16:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:16:02,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:16:02,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936101212] [2021-08-21 11:16:02,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936101212] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:16:02,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:16:02,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 11:16:02,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497247266] [2021-08-21 11:16:02,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:16:02,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:16:02,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:16:02,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,373 INFO L87 Difference]: Start difference. First operand 914 states and 2283 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) [2021-08-21 11:16:02,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:16:02,408 INFO L93 Difference]: Finished difference Result 947 states and 2313 transitions. [2021-08-21 11:16:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:16:02,409 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 [2021-08-21 11:16:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:16:02,412 INFO L225 Difference]: With dead ends: 947 [2021-08-21 11:16:02,412 INFO L226 Difference]: Without dead ends: 771 [2021-08-21 11:16:02,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-08-21 11:16:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 714. [2021-08-21 11:16:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 711 states have (on average 2.371308016877637) internal successors, (1686), 713 states have internal predecessors, (1686), 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) [2021-08-21 11:16:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1686 transitions. [2021-08-21 11:16:02,434 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1686 transitions. Word has length 48 [2021-08-21 11:16:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:16:02,434 INFO L470 AbstractCegarLoop]: Abstraction has 714 states and 1686 transitions. [2021-08-21 11:16:02,435 INFO L471 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) [2021-08-21 11:16:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1686 transitions. [2021-08-21 11:16:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-21 11:16:02,440 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:16:02,440 INFO L512 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] [2021-08-21 11:16:02,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 11:16:02,440 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:16:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:16:02,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1545309022, now seen corresponding path program 1 times [2021-08-21 11:16:02,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:16:02,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763187578] [2021-08-21 11:16:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:16:02,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:16:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:16:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:16:02,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:16:02,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763187578] [2021-08-21 11:16:02,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763187578] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:16:02,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:16:02,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 11:16:02,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373940479] [2021-08-21 11:16:02,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:16:02,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:16:02,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:16:02,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,500 INFO L87 Difference]: Start difference. First operand 714 states and 1686 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) [2021-08-21 11:16:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:16:02,530 INFO L93 Difference]: Finished difference Result 629 states and 1423 transitions. [2021-08-21 11:16:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:16:02,533 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 [2021-08-21 11:16:02,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:16:02,535 INFO L225 Difference]: With dead ends: 629 [2021-08-21 11:16:02,535 INFO L226 Difference]: Without dead ends: 491 [2021-08-21 11:16:02,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-08-21 11:16:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-08-21 11:16:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 489 states have (on average 2.245398773006135) internal successors, (1098), 490 states have internal predecessors, (1098), 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) [2021-08-21 11:16:02,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 1098 transitions. [2021-08-21 11:16:02,543 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 1098 transitions. Word has length 49 [2021-08-21 11:16:02,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:16:02,543 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 1098 transitions. [2021-08-21 11:16:02,544 INFO L471 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) [2021-08-21 11:16:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1098 transitions. [2021-08-21 11:16:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-21 11:16:02,545 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:16:02,545 INFO L512 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] [2021-08-21 11:16:02,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 11:16:02,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:16:02,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:16:02,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1807543953, now seen corresponding path program 1 times [2021-08-21 11:16:02,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:16:02,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701521709] [2021-08-21 11:16:02,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:16:02,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:16:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:16:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:16:02,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:16:02,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701521709] [2021-08-21 11:16:02,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701521709] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:16:02,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:16:02,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 11:16:02,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429025595] [2021-08-21 11:16:02,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:16:02,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:16:02,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:16:02,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,587 INFO L87 Difference]: Start difference. First operand 491 states and 1098 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) [2021-08-21 11:16:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:16:02,603 INFO L93 Difference]: Finished difference Result 491 states and 1082 transitions. [2021-08-21 11:16:02,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:16:02,607 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 [2021-08-21 11:16:02,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:16:02,608 INFO L225 Difference]: With dead ends: 491 [2021-08-21 11:16:02,608 INFO L226 Difference]: Without dead ends: 403 [2021-08-21 11:16:02,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:16:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-08-21 11:16:02,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2021-08-21 11:16:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 401 states have (on average 2.1795511221945136) internal successors, (874), 402 states have internal predecessors, (874), 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) [2021-08-21 11:16:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 874 transitions. [2021-08-21 11:16:02,615 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 874 transitions. Word has length 59 [2021-08-21 11:16:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:16:02,616 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 874 transitions. [2021-08-21 11:16:02,616 INFO L471 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) [2021-08-21 11:16:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 874 transitions. [2021-08-21 11:16:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-21 11:16:02,617 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:16:02,617 INFO L512 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] [2021-08-21 11:16:02,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 11:16:02,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:16:02,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:16:02,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1096884951, now seen corresponding path program 2 times [2021-08-21 11:16:02,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:16:02,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548056499] [2021-08-21 11:16:02,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:16:02,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:16:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:16:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:16:02,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:16:02,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548056499] [2021-08-21 11:16:02,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548056499] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:16:02,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:16:02,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:16:02,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895465767] [2021-08-21 11:16:02,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:16:02,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:16:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:16:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:16:02,672 INFO L87 Difference]: Start difference. First operand 403 states and 874 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) [2021-08-21 11:16:02,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:16:02,724 INFO L93 Difference]: Finished difference Result 214 states and 436 transitions. [2021-08-21 11:16:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 11:16:02,725 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 [2021-08-21 11:16:02,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:16:02,725 INFO L225 Difference]: With dead ends: 214 [2021-08-21 11:16:02,725 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 11:16:02,726 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:16:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 11:16:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 11:16:02,726 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) [2021-08-21 11:16:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 11:16:02,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-08-21 11:16:02,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:16:02,727 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 11:16:02,727 INFO L471 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) [2021-08-21 11:16:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 11:16:02,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 11:16:02,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:16:02,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:16:02,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 11:16:02,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 11:16:02,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:16:02,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:16:02,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 11:16:02,734 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 11:16:02,734 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 11:16:02,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:16:02 BasicIcfg [2021-08-21 11:16:02,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 11:16:02,737 INFO L168 Benchmark]: Toolchain (without parser) took 1959.66 ms. Allocated memory was 187.7 MB in the beginning and 237.0 MB in the end (delta: 49.3 MB). Free memory was 152.5 MB in the beginning and 210.9 MB in the end (delta: -58.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 11:16:02,741 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 187.7 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 11:16:02,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.93 ms. Allocated memory is still 187.7 MB. Free memory was 152.3 MB in the beginning and 162.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2021-08-21 11:16:02,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.81 ms. Allocated memory is still 187.7 MB. Free memory was 162.2 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 11:16:02,743 INFO L168 Benchmark]: Boogie Preprocessor took 17.46 ms. Allocated memory is still 187.7 MB. Free memory was 160.1 MB in the beginning and 159.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 11:16:02,743 INFO L168 Benchmark]: RCFGBuilder took 518.73 ms. Allocated memory is still 187.7 MB. Free memory was 159.1 MB in the beginning and 133.4 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-08-21 11:16:02,744 INFO L168 Benchmark]: TraceAbstraction took 976.86 ms. Allocated memory was 187.7 MB in the beginning and 237.0 MB in the end (delta: 49.3 MB). Free memory was 132.9 MB in the beginning and 210.9 MB in the end (delta: -78.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 11:16:02,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 187.7 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 409.93 ms. Allocated memory is still 187.7 MB. Free memory was 152.3 MB in the beginning and 162.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.81 ms. Allocated memory is still 187.7 MB. Free memory was 162.2 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.46 ms. Allocated memory is still 187.7 MB. Free memory was 160.1 MB in the beginning and 159.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 518.73 ms. Allocated memory is still 187.7 MB. Free memory was 159.1 MB in the beginning and 133.4 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 976.86 ms. Allocated memory was 187.7 MB in the beginning and 237.0 MB in the end (delta: 49.3 MB). Free memory was 132.9 MB in the beginning and 210.9 MB in the end (delta: -78.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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. OverallTime: 904.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.5ms, AutomataDifference: 248.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 405 SDtfs, 193 SDslu, 237 SDs, 0 SdLazy, 29 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1005occurred 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: 102.9ms AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.3ms SsaConstructionTime, 88.0ms SatisfiabilityAnalysisTime, 226.0ms 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-21 11:16:02,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...