/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-New_States.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-array-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 09:32:43,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 09:32:43,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 09:32:43,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 09:32:43,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 09:32:43,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 09:32:43,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 09:32:43,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 09:32:43,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 09:32:43,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 09:32:43,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 09:32:43,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 09:32:43,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 09:32:43,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 09:32:43,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 09:32:43,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 09:32:43,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 09:32:43,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 09:32:43,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 09:32:43,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 09:32:43,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 09:32:43,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 09:32:43,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 09:32:43,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 09:32:43,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 09:32:43,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 09:32:43,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 09:32:43,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 09:32:43,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 09:32:43,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 09:32:43,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 09:32:43,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 09:32:43,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 09:32:43,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 09:32:43,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 09:32:43,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 09:32:43,843 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-New_States.epf [2020-12-18 09:32:43,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 09:32:43,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 09:32:43,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 09:32:43,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 09:32:43,876 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 09:32:43,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 09:32:43,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 09:32:43,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 09:32:43,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 09:32:43,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 09:32:43,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 09:32:43,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 09:32:43,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 09:32:43,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 09:32:43,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 09:32:43,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 09:32:43,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 09:32:43,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 09:32:43,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 09:32:43,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 09:32:43,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 09:32:43,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:32:43,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 09:32:43,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 09:32:43,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 09:32:43,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 09:32:43,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 09:32:43,882 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 09:32:43,883 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 09:32:43,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 09:32:43,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 09:32:43,883 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 09:32:43,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 09:32:43,884 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 09:32:44,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 09:32:44,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 09:32:44,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 09:32:44,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 09:32:44,411 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 09:32:44,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-array-1.i [2020-12-18 09:32:44,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d455af46/9980d650bd7c4f2789aa54e983bbb8de/FLAG79cf9dd53 [2020-12-18 09:32:45,295 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 09:32:45,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-array-1.i [2020-12-18 09:32:45,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d455af46/9980d650bd7c4f2789aa54e983bbb8de/FLAG79cf9dd53 [2020-12-18 09:32:45,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d455af46/9980d650bd7c4f2789aa54e983bbb8de [2020-12-18 09:32:45,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 09:32:45,503 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 09:32:45,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 09:32:45,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 09:32:45,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 09:32:45,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:32:45" (1/1) ... [2020-12-18 09:32:45,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c137e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:45, skipping insertion in model container [2020-12-18 09:32:45,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:32:45" (1/1) ... [2020-12-18 09:32:45,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 09:32:45,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 09:32:46,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:32:46,049 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 09:32:46,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:32:46,244 INFO L208 MainTranslator]: Completed translation [2020-12-18 09:32:46,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46 WrapperNode [2020-12-18 09:32:46,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 09:32:46,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 09:32:46,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 09:32:46,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 09:32:46,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 09:32:46,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 09:32:46,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 09:32:46,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 09:32:46,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (1/1) ... [2020-12-18 09:32:46,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 09:32:46,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 09:32:46,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 09:32:46,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 09:32:46,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (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 [2020-12-18 09:32:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-18 09:32:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 09:32:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 09:32:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2020-12-18 09:32:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2020-12-18 09:32:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 09:32:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 09:32:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 09:32:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 09:32:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 09:32:46,435 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 09:32:46,913 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 09:32:46,913 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-18 09:32:46,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:32:46 BoogieIcfgContainer [2020-12-18 09:32:46,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 09:32:46,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 09:32:46,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 09:32:46,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 09:32:46,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:32:45" (1/3) ... [2020-12-18 09:32:46,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a10acee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:32:46, skipping insertion in model container [2020-12-18 09:32:46,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:32:46" (2/3) ... [2020-12-18 09:32:46,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a10acee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:32:46, skipping insertion in model container [2020-12-18 09:32:46,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:32:46" (3/3) ... [2020-12-18 09:32:46,924 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-array-1.i [2020-12-18 09:32:46,943 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 09:32:46,943 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 09:32:46,948 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 09:32:46,949 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 09:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,980 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,980 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,980 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,985 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,985 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,985 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:32:46,998 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-18 09:32:47,012 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-18 09:32:47,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 09:32:47,040 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 09:32:47,040 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 09:32:47,040 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 09:32:47,040 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 09:32:47,040 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 09:32:47,041 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 09:32:47,041 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 09:32:47,330 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 268ms [2020-12-18 09:32:47,330 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 284 states, but on-demand construction may add more states [2020-12-18 09:32:47,334 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 284 states, 260 states have (on average 1.476923076923077) internal successors, (384), 283 states have internal predecessors, (384), 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) Size of Word is: 39 and size of Sequence is : 40[2020-12-18 09:32:47,346 INFO L131 SleepSetCegar]: Size of mCounterexample is: 40 [2020-12-18 09:32:47,347 INFO L132 SleepSetCegar]: [80#[ULTIMATE.startENTRY]don't care, 83#[L-1]don't care, 86#[L-1-1]don't care, 89#[L683]don't care, 92#[L683-1]don't care, 95#[L683-2]don't care, 98#[L683-3]don't care, 101#[L683-4]don't care, 104#[L690]don't care, 107#[L690-1]don't care, 110#[L690-2]don't care, 113#[L-1-2]don't care, 116#[L-1-3]don't care, 119#[L-1-4]don't care, 122#[L697]don't care, 125#[L697-1]don't care, 128#[L698]don't care, 131#[L698-1]don't care, 134#[L700]don't care, 137#[L700-1]don't care, 140#[L701]don't care, 143#[L701-1]don't care, 146#[L686]don't care, 149#[L687]don't care, 152#[L687-1]don't care, 154#[L686-1]don't care, 159#[L702-5]don't care, 162#[L702-6]don't care, 169#[L705-5]don't care, 172#[L705-6]don't care, 179#[L709]don't care, 182#[L709-6]don't care, 187#[L709-7]don't care, 192#[L712]don't care, 195#[L689]don't care, 198#[L689-1]don't care, 201#[L689-2]don't care, 207#[L683-5]don't care, 212#[L683-7]don't care, 232#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 09:32:47,347 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:32:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:32:47,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1254789290, now seen corresponding path program 1 times [2020-12-18 09:32:47,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:32:47,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437187695] [2020-12-18 09:32:47,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:32:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:32:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 09:32:47,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437187695] [2020-12-18 09:32:47,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:32:47,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 09:32:47,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821989168] [2020-12-18 09:32:47,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 09:32:47,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:32:47,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 09:32:47,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 09:32:47,674 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:32:47,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) Size of Word is: 38 and size of Sequence is : 39[2020-12-18 09:32:47,845 INFO L131 SleepSetCegar]: Size of mCounterexample is: 39 [2020-12-18 09:32:47,846 INFO L132 SleepSetCegar]: [3456#[ULTIMATE.startENTRY]true, 3458#[L-1]true, 3460#[L-1-1]true, 3462#[L683]true, 3464#[L683-1]true, 3466#[L683-2]true, 3468#[L683-3]true, 3470#[L683-4]true, 3472#[L690]true, 3474#[L690-1]true, 3476#[L690-2]true, 3478#[L-1-2]true, 3480#[L-1-3]true, 3482#[L-1-4]true, 3484#[L697]true, 3486#[L697-1]true, 3488#[L698]true, 3490#[L698-1]true, 3492#[L700]true, 3494#[L700-1]true, 3496#[L701]true, 3498#[L701-1]true, 3500#[L686]true, 3502#[L687]true, 3505#[L686-1]true, 3927#[L702-5]true, 3929#[L702-6]true, 4073#[L705-5]true, 4075#[L705-6]true, 4147#[L709]true, 4149#[L709-6]true, 4151#[L709-7]true, 4184#[L712]true, 4186#[L689]true, 4188#[L689-1]true, 4190#[L689-2]true, 4194#[L683-5]true, 4196#[L683-7]true, 4205#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 09:32:47,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 09:32:47,846 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:32:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:32:47,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1864624717, now seen corresponding path program 1 times [2020-12-18 09:32:47,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:32:47,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611570981] [2020-12-18 09:32:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:32:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:32:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 09:32:48,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611570981] [2020-12-18 09:32:48,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:32:48,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 09:32:48,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157719252] [2020-12-18 09:32:48,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 09:32:48,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:32:48,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 09:32:48,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-18 09:32:48,168 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:32:48,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2020-12-18 09:32:48,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 09:32:48,267 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@508ef274 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 09:32:48,272 INFO L168 Benchmark]: Toolchain (without parser) took 2770.02 ms. Allocated memory is still 306.2 MB. Free memory was 281.8 MB in the beginning and 195.6 MB in the end (delta: 86.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 16.0 GB. [2020-12-18 09:32:48,273 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 306.2 MB. Free memory is still 276.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:32:48,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.33 ms. Allocated memory is still 306.2 MB. Free memory was 281.4 MB in the beginning and 251.3 MB in the end (delta: 30.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-18 09:32:48,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 306.2 MB. Free memory was 251.3 MB in the beginning and 249.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:32:48,276 INFO L168 Benchmark]: Boogie Preprocessor took 36.70 ms. Allocated memory is still 306.2 MB. Free memory was 249.2 MB in the beginning and 247.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:32:48,277 INFO L168 Benchmark]: RCFGBuilder took 574.58 ms. Allocated memory is still 306.2 MB. Free memory was 247.7 MB in the beginning and 266.9 MB in the end (delta: -19.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2020-12-18 09:32:48,277 INFO L168 Benchmark]: TraceAbstraction took 1352.93 ms. Allocated memory is still 306.2 MB. Free memory was 266.9 MB in the beginning and 195.6 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.0 GB. [2020-12-18 09:32:48,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 306.2 MB. Free memory is still 276.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 740.33 ms. Allocated memory is still 306.2 MB. Free memory was 281.4 MB in the beginning and 251.3 MB in the end (delta: 30.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 306.2 MB. Free memory was 251.3 MB in the beginning and 249.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.70 ms. Allocated memory is still 306.2 MB. Free memory was 249.2 MB in the beginning and 247.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 574.58 ms. Allocated memory is still 306.2 MB. Free memory was 247.7 MB in the beginning and 266.9 MB in the end (delta: -19.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1352.93 ms. Allocated memory is still 306.2 MB. Free memory was 266.9 MB in the beginning and 195.6 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@508ef274 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@508ef274: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...