/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-16 21:01:03,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-16 21:01:03,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-16 21:01:03,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-16 21:01:03,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-16 21:01:03,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-16 21:01:03,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-16 21:01:03,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-16 21:01:03,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-16 21:01:03,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-16 21:01:03,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-16 21:01:03,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-16 21:01:03,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-16 21:01:03,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-16 21:01:03,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-16 21:01:03,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-16 21:01:03,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-16 21:01:03,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-16 21:01:03,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-16 21:01:03,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-16 21:01:03,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-16 21:01:03,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-16 21:01:03,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-16 21:01:03,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-16 21:01:03,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-16 21:01:03,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-16 21:01:03,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-16 21:01:03,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-16 21:01:03,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-16 21:01:03,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-16 21:01:03,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-16 21:01:03,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-16 21:01:03,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-16 21:01:03,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-16 21:01:03,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-16 21:01:03,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-16 21:01:03,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-16 21:01:03,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-16 21:01:03,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-16 21:01:03,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-16 21:01:03,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-16 21:01:03,823 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 [2021-02-16 21:01:03,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-16 21:01:03,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-16 21:01:03,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-16 21:01:03,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-16 21:01:03,859 INFO L138 SettingsManager]: * Use SBE=true [2021-02-16 21:01:03,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-16 21:01:03,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-16 21:01:03,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-16 21:01:03,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-16 21:01:03,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-16 21:01:03,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-16 21:01:03,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-16 21:01:03,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-16 21:01:03,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-16 21:01:03,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-16 21:01:03,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-16 21:01:03,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-16 21:01:03,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-16 21:01:03,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-16 21:01:03,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-16 21:01:03,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-16 21:01:03,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-16 21:01:03,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-16 21:01:03,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-16 21:01:03,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-16 21:01:03,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-16 21:01:03,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-16 21:01:03,864 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-16 21:01:03,864 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-16 21:01:03,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-16 21:01:03,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-16 21:01:03,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-16 21:01:03,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-16 21:01:04,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-16 21:01:04,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-16 21:01:04,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-16 21:01:04,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-16 21:01:04,288 INFO L275 PluginConnector]: CDTParser initialized [2021-02-16 21:01:04,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-02-16 21:01:04,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559199978/9d8444f0801245f3a719757f4b25c038/FLAGd7ce350ac [2021-02-16 21:01:05,186 INFO L306 CDTParser]: Found 1 translation units. [2021-02-16 21:01:05,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-02-16 21:01:05,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559199978/9d8444f0801245f3a719757f4b25c038/FLAGd7ce350ac [2021-02-16 21:01:05,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/559199978/9d8444f0801245f3a719757f4b25c038 [2021-02-16 21:01:05,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-16 21:01:05,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-16 21:01:05,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-16 21:01:05,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-16 21:01:05,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-16 21:01:05,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:01:05" (1/1) ... [2021-02-16 21:01:05,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389497bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:05, skipping insertion in model container [2021-02-16 21:01:05,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:01:05" (1/1) ... [2021-02-16 21:01:05,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-16 21:01:05,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-16 21:01:06,101 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-ext/23_lu-fig2.fixed.i[30382,30395] [2021-02-16 21:01:06,110 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-ext/23_lu-fig2.fixed.i[30752,30765] [2021-02-16 21:01:06,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 21:01:06,133 INFO L203 MainTranslator]: Completed pre-run [2021-02-16 21:01:06,206 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-ext/23_lu-fig2.fixed.i[30382,30395] [2021-02-16 21:01:06,209 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-ext/23_lu-fig2.fixed.i[30752,30765] [2021-02-16 21:01:06,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 21:01:06,312 INFO L208 MainTranslator]: Completed translation [2021-02-16 21:01:06,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06 WrapperNode [2021-02-16 21:01:06,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-16 21:01:06,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-16 21:01:06,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-16 21:01:06,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-16 21:01:06,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-16 21:01:06,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-16 21:01:06,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-16 21:01:06,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-16 21:01:06,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (1/1) ... [2021-02-16 21:01:06,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-16 21:01:06,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-16 21:01:06,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-16 21:01:06,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-16 21:01:06,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (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 [2021-02-16 21:01:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-02-16 21:01:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-02-16 21:01:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-16 21:01:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-16 21:01:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-16 21:01:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-16 21:01:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-16 21:01:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-16 21:01:06,570 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-16 21:01:07,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-16 21:01:07,286 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-02-16 21:01:07,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:01:07 BoogieIcfgContainer [2021-02-16 21:01:07,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-16 21:01:07,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-16 21:01:07,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-16 21:01:07,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-16 21:01:07,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 09:01:05" (1/3) ... [2021-02-16 21:01:07,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296d11e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:01:07, skipping insertion in model container [2021-02-16 21:01:07,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:01:06" (2/3) ... [2021-02-16 21:01:07,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296d11e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:01:07, skipping insertion in model container [2021-02-16 21:01:07,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:01:07" (3/3) ... [2021-02-16 21:01:07,302 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2021-02-16 21:01:07,310 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-16 21:01:07,310 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-16 21:01:07,316 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-02-16 21:01:07,317 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-16 21:01:07,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,362 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 21:01:07,373 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-16 21:01:07,396 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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) [2021-02-16 21:01:07,440 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-16 21:01:07,441 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-16 21:01:07,441 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-16 21:01:07,441 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-16 21:01:07,441 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-16 21:01:07,441 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-16 21:01:07,441 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-16 21:01:07,442 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-16 21:01:07,493 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 21:01:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 21:01:07,500 INFO L82 PathProgramCache]: Analyzing trace with hash 290074997, now seen corresponding path program 1 times [2021-02-16 21:01:07,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 21:01:07,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952659428] [2021-02-16 21:01:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 21:01:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 21:01:07,646 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 21:01:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 21:01:07,670 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 21:01:07,693 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-16 21:01:07,694 INFO L606 BasicCegarLoop]: Counterexample might be feasible [2021-02-16 21:01:07,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-16 21:01:07,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 09:01:07 BasicIcfg [2021-02-16 21:01:07,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-16 21:01:07,721 INFO L168 Benchmark]: Toolchain (without parser) took 2210.87 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 219.5 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.0 GB. [2021-02-16 21:01:07,725 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.8 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 21:01:07,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.14 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 245.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-02-16 21:01:07,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.55 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 283.5 MB in the end (delta: -37.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. [2021-02-16 21:01:07,729 INFO L168 Benchmark]: Boogie Preprocessor took 29.79 ms. Allocated memory is still 302.0 MB. Free memory was 283.5 MB in the beginning and 282.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 21:01:07,731 INFO L168 Benchmark]: RCFGBuilder took 842.18 ms. Allocated memory is still 302.0 MB. Free memory was 282.4 MB in the beginning and 239.0 MB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. [2021-02-16 21:01:07,732 INFO L168 Benchmark]: TraceAbstraction took 423.67 ms. Allocated memory is still 302.0 MB. Free memory was 238.4 MB in the beginning and 219.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-02-16 21:01:07,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.8 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 789.14 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 245.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 100.55 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 283.5 MB in the end (delta: -37.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.79 ms. Allocated memory is still 302.0 MB. Free memory was 283.5 MB in the beginning and 282.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 842.18 ms. Allocated memory is still 302.0 MB. Free memory was 282.4 MB in the beginning and 239.0 MB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 423.67 ms. Allocated memory is still 302.0 MB. Free memory was 238.4 MB in the beginning and 219.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 707]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L713] CALL __VERIFIER_atomic_thr1(PR_CreateThread__RES) [L704] COND FALSE !(__COUNT__ == 0) [L707] COND TRUE !(0) [L707] reach_error() VAL [__COUNT__=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 incorrect! Received shutdown request...