/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/goblint-regression/28-race_reach_21-deref_read_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 05:33:35,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 05:33:35,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 05:33:36,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 05:33:36,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 05:33:36,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 05:33:36,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 05:33:36,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 05:33:36,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 05:33:36,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 05:33:36,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 05:33:36,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 05:33:36,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 05:33:36,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 05:33:36,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 05:33:36,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 05:33:36,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 05:33:36,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 05:33:36,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 05:33:36,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 05:33:36,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 05:33:36,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 05:33:36,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 05:33:36,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 05:33:36,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 05:33:36,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 05:33:36,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 05:33:36,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 05:33:36,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 05:33:36,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 05:33:36,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 05:33:36,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 05:33:36,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 05:33:36,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 05:33:36,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 05:33:36,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 05:33:36,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 05:33:36,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 05:33:36,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 05:33:36,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 05:33:36,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 05:33:36,095 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 [2020-12-18 05:33:36,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 05:33:36,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 05:33:36,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 05:33:36,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 05:33:36,152 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 05:33:36,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 05:33:36,153 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 05:33:36,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 05:33:36,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 05:33:36,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 05:33:36,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 05:33:36,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 05:33:36,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 05:33:36,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 05:33:36,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 05:33:36,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 05:33:36,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 05:33:36,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 05:33:36,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 05:33:36,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 05:33:36,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 05:33:36,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 05:33:36,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 05:33:36,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 05:33:36,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 05:33:36,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 05:33:36,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 05:33:36,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 05:33:36,159 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 05:33:36,160 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 05:33:36,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 05:33:36,160 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 05:33:36,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 05:33:36,160 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 05:33:36,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 05:33:36,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 05:33:36,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 05:33:36,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 05:33:36,584 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 05:33:36,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2020-12-18 05:33:36,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fca4db8/a710fa387bb24fa58241bedd7941d8f3/FLAG98ab8d12c [2020-12-18 05:33:37,484 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 05:33:37,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2020-12-18 05:33:37,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fca4db8/a710fa387bb24fa58241bedd7941d8f3/FLAG98ab8d12c [2020-12-18 05:33:37,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fca4db8/a710fa387bb24fa58241bedd7941d8f3 [2020-12-18 05:33:37,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 05:33:37,786 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 05:33:37,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 05:33:37,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 05:33:37,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 05:33:37,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:33:37" (1/1) ... [2020-12-18 05:33:37,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595181b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:37, skipping insertion in model container [2020-12-18 05:33:37,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:33:37" (1/1) ... [2020-12-18 05:33:37,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 05:33:37,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 05:33:38,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:33:38,368 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 05:33:38,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:33:38,580 INFO L208 MainTranslator]: Completed translation [2020-12-18 05:33:38,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38 WrapperNode [2020-12-18 05:33:38,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 05:33:38,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 05:33:38,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 05:33:38,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 05:33:38,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 05:33:38,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 05:33:38,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 05:33:38,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 05:33:38,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (1/1) ... [2020-12-18 05:33:38,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 05:33:38,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 05:33:38,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 05:33:38,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 05:33:38,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (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 05:33:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 05:33:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 05:33:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 05:33:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 05:33:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 05:33:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 05:33:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 05:33:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 05:33:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 05:33:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 05:33:38,877 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 05:33:39,374 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 05:33:39,375 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-18 05:33:39,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:33:39 BoogieIcfgContainer [2020-12-18 05:33:39,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 05:33:39,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 05:33:39,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 05:33:39,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 05:33:39,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:33:37" (1/3) ... [2020-12-18 05:33:39,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d3a589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:33:39, skipping insertion in model container [2020-12-18 05:33:39,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:38" (2/3) ... [2020-12-18 05:33:39,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d3a589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:33:39, skipping insertion in model container [2020-12-18 05:33:39,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:33:39" (3/3) ... [2020-12-18 05:33:39,386 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2020-12-18 05:33:39,402 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 05:33:39,402 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 05:33:39,406 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 05:33:39,407 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 05:33:39,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:39,461 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 05:33:39,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-18 05:33:39,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 05:33:39,498 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 05:33:39,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 05:33:39,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 05:33:39,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 05:33:39,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 05:33:39,498 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 05:33:39,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 05:33:40,038 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 519ms [2020-12-18 05:33:40,038 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 890 states, but on-demand construction may add more states [2020-12-18 05:33:40,045 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 890 states, 857 states have (on average 1.73512252042007) internal successors, (1487), 889 states have internal predecessors, (1487), 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 05:33:40,057 INFO L131 SleepSetCegar]: Size of mCounterexample is: 40 [2020-12-18 05:33:40,058 INFO L132 SleepSetCegar]: [92#[ULTIMATE.startENTRY]don't care, 94#[L-1]don't care, 96#[L-1-1]don't care, 98#[L683]don't care, 100#[L683-1]don't care, 102#[L683-2]don't care, 104#[L683-3]don't care, 106#[L683-4]don't care, 108#[L689]don't care, 110#[L689-1]don't care, 112#[L689-2]don't care, 114#[L689-3]don't care, 116#[L689-4]don't care, 118#[L689-5]don't care, 120#[L690]don't care, 122#[L690-1]don't care, 124#[L691]don't care, 126#[L692]don't care, 128#[L692-1]don't care, 130#[L692-2]don't care, 132#[L692-3]don't care, 134#[L692-4]don't care, 136#[L692-5]don't care, 138#[L692-6]don't care, 140#[L-1-2]don't care, 142#[L700]don't care, 144#[L700-1]don't care, 146#[L700-10]don't care, 148#[L700-11]don't care, 152#[L702-7]don't care, 154#[L702-1]don't care, 158#[L702-2]don't care, 160#[L702-3]don't care, 162#[L702-4]don't care, 164#[L684]don't care, 166#[L684-1]don't care, 170#[L684-2]don't care, 172#[L683-5]don't care, 176#[L683-7]don't care, 180#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 05:33:40,058 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 05:33:40,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:33:40,065 INFO L82 PathProgramCache]: Analyzing trace with hash 778536759, now seen corresponding path program 1 times [2020-12-18 05:33:40,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:33:40,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971382876] [2020-12-18 05:33:40,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:33:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:33:40,294 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 05:33:40,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971382876] [2020-12-18 05:33:40,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:33:40,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 05:33:40,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26486371] [2020-12-18 05:33:40,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 05:33:40,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:33:40,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 05:33:40,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 05:33:40,320 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:33:40,321 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: 39 and size of Sequence is : 40[2020-12-18 05:33:40,334 INFO L131 SleepSetCegar]: Size of mCounterexample is: 40 [2020-12-18 05:33:40,335 INFO L132 SleepSetCegar]: [1873#[ULTIMATE.startENTRY]true, 1874#[L-1]true, 1875#[L-1-1]true, 1876#[L683]true, 1877#[L683-1]true, 1878#[L683-2]true, 1879#[L683-3]true, 1880#[L683-4]true, 1881#[L689]true, 1882#[L689-1]true, 1883#[L689-2]true, 1884#[L689-3]true, 1885#[L689-4]true, 1886#[L689-5]true, 1887#[L690]true, 1888#[L690-1]true, 1889#[L691]true, 1890#[L692]true, 1891#[L692-1]true, 1892#[L692-2]true, 1893#[L692-3]true, 1894#[L692-4]true, 1895#[L692-5]true, 1896#[L692-6]true, 1897#[L-1-2]true, 1898#[L700]true, 1899#[L700-1]true, 1900#[L700-10]true, 1902#[L700-11]true, 1926#[L702-7]true, 1927#[L702-1]true, 1928#[L702-2]true, 1929#[L702-3]true, 1930#[L702-4]true, 1931#[L684]true, 1932#[L684-1]true, 1933#[L684-2]true, 1935#[L683-5]true, 1936#[L683-7]true, 1937#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 05:33:40,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 05:33:40,335 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 05:33:40,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:33:40,336 INFO L82 PathProgramCache]: Analyzing trace with hash 907619478, now seen corresponding path program 1 times [2020-12-18 05:33:40,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:33:40,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232973255] [2020-12-18 05:33:40,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:33:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:33:40,451 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 05:33:40,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232973255] [2020-12-18 05:33:40,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:33:40,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 05:33:40,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852578656] [2020-12-18 05:33:40,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 05:33:40,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:33:40,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 05:33:40,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 05:33:40,460 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:33:40,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 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) [2020-12-18 05:33:40,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 05:33:40,500 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@1577a8c4 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.SleepSetDelayReduction.lambda$0(SleepSetDelayReduction.java:171) 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.SleepSetDelayReduction.search(SleepSetDelayReduction.java:172) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:120) 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 05:33:40,505 INFO L168 Benchmark]: Toolchain (without parser) took 2718.07 ms. Allocated memory is still 302.0 MB. Free memory was 277.4 MB in the beginning and 188.5 MB in the end (delta: 88.9 MB). Peak memory consumption was 88.2 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:40,506 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 154.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 05:33:40,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.14 ms. Allocated memory is still 302.0 MB. Free memory was 277.2 MB in the beginning and 247.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:40,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.51 ms. Allocated memory is still 302.0 MB. Free memory was 247.4 MB in the beginning and 245.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:40,509 INFO L168 Benchmark]: Boogie Preprocessor took 112.52 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 285.2 MB in the end (delta: -39.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:40,510 INFO L168 Benchmark]: RCFGBuilder took 593.26 ms. Allocated memory is still 302.0 MB. Free memory was 285.2 MB in the beginning and 259.8 MB in the end (delta: 25.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:40,511 INFO L168 Benchmark]: TraceAbstraction took 1124.31 ms. Allocated memory is still 302.0 MB. Free memory was 258.7 MB in the beginning and 188.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:40,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 154.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 790.14 ms. Allocated memory is still 302.0 MB. Free memory was 277.2 MB in the beginning and 247.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 85.51 ms. Allocated memory is still 302.0 MB. Free memory was 247.4 MB in the beginning and 245.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 112.52 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 285.2 MB in the end (delta: -39.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.0 GB. * RCFGBuilder took 593.26 ms. Allocated memory is still 302.0 MB. Free memory was 285.2 MB in the beginning and 259.8 MB in the end (delta: 25.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1124.31 ms. Allocated memory is still 302.0 MB. Free memory was 258.7 MB in the beginning and 188.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 69.2 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@1577a8c4 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1577a8c4: 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...