/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 03:38:11,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 03:38:11,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 03:38:11,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 03:38:11,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 03:38:11,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 03:38:11,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 03:38:11,729 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-Sleep-NoLbe-Delay.epf [2021-03-12 03:38:11,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 03:38:11,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 03:38:11,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 03:38:11,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 03:38:11,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 03:38:11,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 03:38:11,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 03:38:11,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 03:38:11,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 03:38:11,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 03:38:11,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 03:38:11,747 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 03:38:11,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 03:38:11,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 03:38:11,747 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 03:38:11,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 03:38:11,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 03:38:11,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 03:38:11,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 03:38:11,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 03:38:11,986 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 03:38:11,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-12 03:38:12,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40a05858/a17756a781914e0a86aacbecd96f3d25/FLAGa2e7c12f7 [2021-03-12 03:38:12,439 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 03:38:12,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-12 03:38:12,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40a05858/a17756a781914e0a86aacbecd96f3d25/FLAGa2e7c12f7 [2021-03-12 03:38:12,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40a05858/a17756a781914e0a86aacbecd96f3d25 [2021-03-12 03:38:12,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 03:38:12,823 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 03:38:12,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 03:38:12,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 03:38:12,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 03:38:12,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:38:12" (1/1) ... [2021-03-12 03:38:12,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdca93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:12, skipping insertion in model container [2021-03-12 03:38:12,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:38:12" (1/1) ... [2021-03-12 03:38:12,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 03:38:12,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 03:38:13,041 WARN L226 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] [2021-03-12 03:38:13,044 WARN L226 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] [2021-03-12 03:38:13,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 03:38:13,082 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 03:38:13,110 WARN L226 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] [2021-03-12 03:38:13,123 WARN L226 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] [2021-03-12 03:38:13,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 03:38:13,174 INFO L208 MainTranslator]: Completed translation [2021-03-12 03:38:13,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13 WrapperNode [2021-03-12 03:38:13,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 03:38:13,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 03:38:13,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 03:38:13,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 03:38:13,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 03:38:13,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 03:38:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 03:38:13,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 03:38:13,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (1/1) ... [2021-03-12 03:38:13,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 03:38:13,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 03:38:13,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 03:38:13,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 03:38:13,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (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 [2021-03-12 03:38:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-03-12 03:38:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-03-12 03:38:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 03:38:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-03-12 03:38:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-03-12 03:38:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 03:38:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-12 03:38:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 03:38:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 03:38:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 03:38:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 03:38:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 03:38:13,294 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 03:38:13,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 03:38:13,628 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-12 03:38:13,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:38:13 BoogieIcfgContainer [2021-03-12 03:38:13,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 03:38:13,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 03:38:13,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 03:38:13,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 03:38:13,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 03:38:12" (1/3) ... [2021-03-12 03:38:13,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d411f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:38:13, skipping insertion in model container [2021-03-12 03:38:13,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:38:13" (2/3) ... [2021-03-12 03:38:13,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d411f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:38:13, skipping insertion in model container [2021-03-12 03:38:13,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:38:13" (3/3) ... [2021-03-12 03:38:13,635 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-03-12 03:38:13,641 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 03:38:13,641 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 03:38:13,644 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 03:38:13,645 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 03:38:13,668 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,668 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,668 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,669 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,670 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,670 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,672 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,673 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,673 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,673 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,673 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,673 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,674 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,674 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,675 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,676 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,676 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,676 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,676 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,677 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,677 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,677 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,677 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,679 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,679 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,679 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,679 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,679 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,679 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,684 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,684 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,684 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,684 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,684 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 03:38:13,690 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 03:38:13,701 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 03:38:13,736 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 03:38:13,736 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 03:38:13,736 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 03:38:13,736 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 03:38:13,736 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 03:38:13,737 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 03:38:13,737 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 03:38:13,737 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 03:38:13,767 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 03:38:13,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 03:38:13,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1096211933, now seen corresponding path program 1 times [2021-03-12 03:38:13,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 03:38:13,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239944548] [2021-03-12 03:38:13,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 03:38:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 03:38:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 03:38:13,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239944548] [2021-03-12 03:38:13,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 03:38:13,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 03:38:13,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610830814] [2021-03-12 03:38:13,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 03:38:13,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 03:38:13,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 03:38:13,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 03:38:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:13,969 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 03:38:13,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-03-12 03:38:13,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:13,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 03:38:13,980 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 03:38:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 03:38:13,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1521089219, now seen corresponding path program 1 times [2021-03-12 03:38:13,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 03:38:13,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158750157] [2021-03-12 03:38:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 03:38:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 03:38:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 03:38:14,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158750157] [2021-03-12 03:38:14,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 03:38:14,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 03:38:14,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310568539] [2021-03-12 03:38:14,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 03:38:14,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 03:38:14,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 03:38:14,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 03:38:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,021 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 03:38:14,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-03-12 03:38:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 03:38:14,164 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 03:38:14,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 03:38:14,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2070675322, now seen corresponding path program 1 times [2021-03-12 03:38:14,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 03:38:14,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236891796] [2021-03-12 03:38:14,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 03:38:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 03:38:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 03:38:14,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236891796] [2021-03-12 03:38:14,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 03:38:14,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 03:38:14,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205305178] [2021-03-12 03:38:14,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 03:38:14,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 03:38:14,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 03:38:14,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 03:38:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,203 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 03:38:14,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-03-12 03:38:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 03:38:14,243 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 03:38:14,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 03:38:14,243 INFO L82 PathProgramCache]: Analyzing trace with hash -978027872, now seen corresponding path program 1 times [2021-03-12 03:38:14,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 03:38:14,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8487311] [2021-03-12 03:38:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 03:38:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 03:38:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 03:38:14,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8487311] [2021-03-12 03:38:14,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 03:38:14,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 03:38:14,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390283149] [2021-03-12 03:38:14,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 03:38:14,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 03:38:14,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 03:38:14,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 03:38:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,331 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 03:38:14,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-03-12 03:38:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 03:38:14,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 03:38:14,431 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 03:38:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 03:38:14,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1066070858, now seen corresponding path program 1 times [2021-03-12 03:38:14,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 03:38:14,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134879450] [2021-03-12 03:38:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 03:38:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 03:38:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 03:38:14,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134879450] [2021-03-12 03:38:14,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 03:38:14,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 03:38:14,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054608277] [2021-03-12 03:38:14,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 03:38:14,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 03:38:14,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 03:38:14,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 03:38:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,492 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 03:38:14,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-03-12 03:38:14,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 03:38:14,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 03:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 03:38:14,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 03:38:14,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 03:38:14,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 03:38:14 BasicIcfg [2021-03-12 03:38:14,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 03:38:14,572 INFO L168 Benchmark]: Toolchain (without parser) took 1750.99 ms. Allocated memory is still 385.9 MB. Free memory was 349.8 MB in the beginning and 202.3 MB in the end (delta: 147.4 MB). Peak memory consumption was 140.2 MB. Max. memory is 16.0 GB. [2021-03-12 03:38:14,572 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 385.9 MB. Free memory was 367.8 MB in the beginning and 367.7 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 03:38:14,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.50 ms. Allocated memory is still 385.9 MB. Free memory was 349.1 MB in the beginning and 350.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-12 03:38:14,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.14 ms. Allocated memory is still 385.9 MB. Free memory was 350.2 MB in the beginning and 349.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 03:38:14,573 INFO L168 Benchmark]: Boogie Preprocessor took 13.87 ms. Allocated memory is still 385.9 MB. Free memory was 349.1 MB in the beginning and 347.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 03:38:14,576 INFO L168 Benchmark]: RCFGBuilder took 395.48 ms. Allocated memory is still 385.9 MB. Free memory was 347.0 MB in the beginning and 322.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-12 03:38:14,576 INFO L168 Benchmark]: TraceAbstraction took 940.14 ms. Allocated memory is still 385.9 MB. Free memory was 321.9 MB in the beginning and 202.3 MB in the end (delta: 119.5 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.0 GB. [2021-03-12 03:38:14,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 385.9 MB. Free memory was 367.8 MB in the beginning and 367.7 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 351.50 ms. Allocated memory is still 385.9 MB. Free memory was 349.1 MB in the beginning and 350.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.14 ms. Allocated memory is still 385.9 MB. Free memory was 350.2 MB in the beginning and 349.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.87 ms. Allocated memory is still 385.9 MB. Free memory was 349.1 MB in the beginning and 347.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 395.48 ms. Allocated memory is still 385.9 MB. Free memory was 347.0 MB in the beginning and 322.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 940.14 ms. Allocated memory is still 385.9 MB. Free memory was 321.9 MB in the beginning and 202.3 MB in the end (delta: 119.5 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3213, positive: 2934, positive conditional: 2934, positive unconditional: 0, negative: 279, negative conditional: 279, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2978, positive: 2934, positive conditional: 2934, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2978, positive: 2928, positive conditional: 0, positive unconditional: 2928, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 377, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 377, positive: 363, positive conditional: 0, positive unconditional: 363, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 4, positive unconditional: 16, negative: 90, negative conditional: 16, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2978, positive: 2559, positive conditional: 0, positive unconditional: 2559, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 377, unknown conditional: 0, unknown unconditional: 377] , Statistics on independence cache: Total cache size (in pairs): 382, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 4, positive unconditional: 16, negative: 90, negative conditional: 16, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 179, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 169, negative conditional: 9, negative unconditional: 160, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 382, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 160, SemanticConditionEliminator.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 4, positive unconditional: 16, negative: 90, negative conditional: 16, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 179, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 169, negative conditional: 9, negative unconditional: 160, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 382, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 160, SemanticConditionEliminator.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 4, positive unconditional: 16, negative: 90, negative conditional: 16, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 179, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 169, negative conditional: 9, negative unconditional: 160, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 382, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 160, SemanticConditionEliminator.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 4, positive unconditional: 16, negative: 90, negative conditional: 16, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 179, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 169, negative conditional: 9, negative unconditional: 160, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 382, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 160, SemanticConditionEliminator.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 173, negative conditional: 13, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 4, positive unconditional: 16, negative: 90, negative conditional: 16, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 179, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 169, negative conditional: 9, negative unconditional: 160, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 382, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 160 ], Maximal queried relation: 5, Independence queries for same thread: 235 - 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 848.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.9ms, PartialOrderReductionTime: 375.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.7ms SsaConstructionTime, 74.0ms SatisfiabilityAnalysisTime, 234.9ms InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 392 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...