/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/goblint-regression/28-race_reach_08-cond_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:11:24,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:11:24,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:11:24,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:11:24,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:11:24,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:11:24,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:11:24,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:11:24,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:11:24,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:11:24,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:11:24,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:11:24,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:11:24,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:11:24,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:11:24,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:11:24,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:11:24,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:11:24,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:11:24,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:11:24,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:11:24,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:11:24,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:11:24,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:11:24,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 03:11:24,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 03:11:24,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 03:11:24,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 03:11:24,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 03:11:24,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 03:11:24,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 03:11:24,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 03:11:24,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 03:11:24,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:11:24,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:11:24,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:11:24,561 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 [2021-01-27 03:11:24,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:11:24,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:11:24,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:11:24,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:11:24,627 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:11:24,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:11:24,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:11:24,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:11:24,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:11:24,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:11:24,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:11:24,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:11:24,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:11:24,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:11:24,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:11:24,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:11:24,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:11:24,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:11:24,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:11:24,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:11:24,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:11:24,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:11:24,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:11:24,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:11:24,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:11:24,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:11:24,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:11:24,635 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:11:24,635 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:11:24,635 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:11:24,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:11:24,636 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:11:24,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:11:24,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:11:25,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:11:25,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:11:25,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:11:25,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:11:25,135 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:11:25,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2021-01-27 03:11:25,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25c4e4f8/75f7e9641cee4d9caad9476e7e1ab783/FLAG49ead33a7 [2021-01-27 03:11:25,967 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:11:25,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2021-01-27 03:11:25,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25c4e4f8/75f7e9641cee4d9caad9476e7e1ab783/FLAG49ead33a7 [2021-01-27 03:11:26,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25c4e4f8/75f7e9641cee4d9caad9476e7e1ab783 [2021-01-27 03:11:26,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:11:26,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:11:26,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:26,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:11:26,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:11:26,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:26" (1/1) ... [2021-01-27 03:11:26,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387af0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:26, skipping insertion in model container [2021-01-27 03:11:26,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:26" (1/1) ... [2021-01-27 03:11:26,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:11:26,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:11:27,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:11:27,074 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:11:27,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:11:27,379 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:11:27,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27 WrapperNode [2021-01-27 03:11:27,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:27,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:11:27,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:11:27,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:11:27,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:11:27,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:11:27,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:11:27,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:11:27,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (1/1) ... [2021-01-27 03:11:27,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:11:27,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:11:27,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:11:27,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:11:27,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (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 [2021-01-27 03:11:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:11:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:11:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 03:11:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:11:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 03:11:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-27 03:11:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-27 03:11:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:11:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:11:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:11:27,613 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:11:28,348 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:11:28,349 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-27 03:11:28,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:11:28 BoogieIcfgContainer [2021-01-27 03:11:28,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:11:28,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:11:28,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:11:28,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:11:28,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:11:26" (1/3) ... [2021-01-27 03:11:28,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179a8dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:11:28, skipping insertion in model container [2021-01-27 03:11:28,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:27" (2/3) ... [2021-01-27 03:11:28,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179a8dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:11:28, skipping insertion in model container [2021-01-27 03:11:28,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:11:28" (3/3) ... [2021-01-27 03:11:28,363 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2021-01-27 03:11:28,384 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:11:28,385 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:11:28,389 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:11:28,390 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:11:28,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,464 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,465 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:28,481 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 03:11:28,495 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-27 03:11:28,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:11:28,520 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:11:28,520 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:11:28,520 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:11:28,520 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:11:28,520 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:11:28,521 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:11:28,521 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 66 and size of Sequence is : 67[2021-01-27 03:11:28,558 INFO L164 SleepSetCegar]: Size of mCounterexample is: 67 [2021-01-27 03:11:28,559 INFO L165 SleepSetCegar]: [114#[ULTIMATE.startENTRY]don't care, 117#[L-1]don't care, 120#[L-1-1]don't care, 123#[L-1-2]don't care, 126#[L921]don't care, 129#[L921-1]don't care, 132#[L921-2]don't care, 135#[L921-3]don't care, 138#[L921-4]don't care, 141#[L940]don't care, 144#[L942]don't care, 147#[L944]don't care, 150#[L927]don't care, 153#[L927-1]don't care, 156#[L927-2]don't care, 159#[L927-3]don't care, 162#[L927-4]don't care, 165#[L927-5]don't care, 168#[L929]don't care, 171#[L929-1]don't care, 174#[L929-2]don't care, 177#[L929-3]don't care, 180#[L929-4]don't care, 183#[L929-5]don't care, 186#[L929-6]don't care, 189#[L930]don't care, 192#[L930-1]don't care, 195#[L930-2]don't care, 198#[L930-3]don't care, 201#[L930-4]don't care, 204#[L930-5]don't care, 207#[L930-6]don't care, 210#[L-1-3]don't care, 213#[L-1-4]don't care, 216#[L938]don't care, 219#[L938-1]don't care, 222#[L938-2]don't care, 225#[L939]don't care, 228#[L939-1]don't care, 231#[L939-10]don't care, 234#[L939-11]don't care, 241#[L941]don't care, 246#[L941-1]don't care, 250#[L941-2]don't care, 244#[L941-4]don't care, 254#[L943]don't care, 257#[L943-6]don't care, 263#[L943-2]don't care, 267#[L943-3]don't care, 270#[L943-4]don't care, 273#[L922]don't care, 276#[L922-1]don't care, 279#[L922-2]don't care, 285#[L921-5]don't care, 288#[L921-9]don't care, 281#[L922-4]don't care, 295#[L943-5]don't care, 257#[L943-6]don't care, 263#[L943-2]don't care, 267#[L943-3]don't care, 270#[L943-4]don't care, 273#[L922]don't care, 276#[L922-1]don't care, 279#[L922-2]don't care, 285#[L921-5]don't care, 290#[L921-7]don't care, 373#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 03:11:28,560 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:28,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:28,566 INFO L82 PathProgramCache]: Analyzing trace with hash -974891016, now seen corresponding path program 1 times [2021-01-27 03:11:28,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:28,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939013905] [2021-01-27 03:11:28,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-27 03:11:28,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939013905] [2021-01-27 03:11:28,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:11:28,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:11:28,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120702802] [2021-01-27 03:11:28,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:11:28,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:11:28,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:11:28,946 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:28,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 55 and size of Sequence is : 56[2021-01-27 03:11:28,976 INFO L164 SleepSetCegar]: Size of mCounterexample is: 56 [2021-01-27 03:11:28,981 INFO L165 SleepSetCegar]: [377#[ULTIMATE.startENTRY]true, 379#[L-1]true, 381#[L-1-1]true, 383#[L-1-2]true, 385#[L921]true, 387#[L921-1]true, 389#[L921-2]true, 391#[L921-3]true, 393#[L921-4]true, 395#[L940]true, 397#[L942]true, 399#[L944]true, 401#[L927]true, 403#[L927-1]true, 405#[L927-2]true, 407#[L927-3]true, 409#[L927-4]true, 411#[L927-5]true, 413#[L929]true, 415#[L929-1]true, 417#[L929-2]true, 419#[L929-3]true, 421#[L929-4]true, 423#[L929-5]true, 425#[L929-6]true, 427#[L930]true, 429#[L930-1]true, 431#[L930-2]true, 433#[L930-3]true, 435#[L930-4]true, 437#[L930-5]true, 439#[L930-6]true, 441#[L-1-3]true, 443#[L-1-4]true, 445#[L938]true, 447#[L938-1]true, 449#[L938-2]true, 451#[L939]true, 453#[L939-1]true, 455#[L939-10]true, 457#[L939-11]true, 463#[L941]true, 466#[L941-1]true, 469#[L941-2]true, 465#[L941-4]true, 472#[L943]true, 474#[L943-6]true, 478#[L943-2]true, 482#[L943-3]true, 484#[L943-4]true, 486#[L922]true, 488#[L922-1]true, 490#[L922-2]true, 494#[L921-5]true, 497#[L921-7]true, 501#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:11:28,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:11:28,983 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:28,986 INFO L82 PathProgramCache]: Analyzing trace with hash -2033503659, now seen corresponding path program 1 times [2021-01-27 03:11:28,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:28,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248983618] [2021-01-27 03:11:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:29,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248983618] [2021-01-27 03:11:29,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:11:29,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 03:11:29,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105121670] [2021-01-27 03:11:29,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 03:11:29,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:29,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 03:11:29,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 03:11:29,179 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:29,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 03:11:29,220 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 84 and size of Sequence is : 85[2021-01-27 03:11:29,257 INFO L164 SleepSetCegar]: Size of mCounterexample is: 85 [2021-01-27 03:11:29,258 INFO L165 SleepSetCegar]: [507#[ULTIMATE.startENTRY]true, 510#[L-1]true, 513#[L-1-1]true, 516#[L-1-2]true, 519#[L921]true, 522#[L921-1]true, 525#[L921-2]true, 528#[L921-3]true, 531#[L921-4]true, 534#[L940]true, 537#[L942]true, 540#[L944]true, 543#[L927]true, 546#[L927-1]true, 549#[L927-2]true, 552#[L927-3]true, 555#[L927-4]true, 558#[L927-5]true, 561#[L929]true, 564#[L929-1]true, 567#[L929-2]true, 570#[L929-3]true, 573#[L929-4]true, 576#[L929-5]true, 579#[L929-6]true, 582#[L930]true, 585#[L930-1]true, 588#[L930-2]true, 591#[L930-3]true, 594#[L930-4]true, 597#[L930-5]true, 600#[L930-6]true, 603#[L-1-3]true, 606#[L-1-4]true, 609#[L938]true, 612#[L938-1]true, 615#[L938-2]true, 618#[L939]true, 621#[L939-1]true, 624#[L939-10](= ULTIMATE.start_main_~i~1 0), 629#[L939-4](= ULTIMATE.start_main_~i~1 0), 639#[L939-5](= ULTIMATE.start_main_~i~1 0), 645#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 656#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 666#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 680#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 695#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 711#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 728#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 740#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 750#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 762#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 774#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 785#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 803#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 818#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 830#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 842#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 854#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 868#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 878#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 892#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 903#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 917#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 927#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 936#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 942#[L939-8, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 948#[L939-9, t_funEXIT]true, 954#[L939-10, t_funEXIT]true, 964#[t_funEXIT, L939-11]true, 975#[L941, t_funEXIT]true, 986#[t_funEXIT, L941-1]true, 993#[L941-2, t_funEXIT]true, 984#[L941-4, t_funEXIT]true, 1000#[L943, t_funEXIT]true, 1009#[L943-6, t_funEXIT]true, 1019#[L943-2, t_funEXIT]true, 1028#[L943-3, t_funEXIT]true, 1034#[L943-4, t_funEXIT]true, 1040#[L922, t_funEXIT]true, 1046#[L922-1, t_funEXIT]true, 1055#[L922-2, t_funEXIT]true, 1064#[L921-5, t_funEXIT]true, 1075#[L921-7, t_funEXIT]true, 1087#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:11:29,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:11:29,259 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:29,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:29,260 INFO L82 PathProgramCache]: Analyzing trace with hash 2134201857, now seen corresponding path program 1 times [2021-01-27 03:11:29,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:29,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668853455] [2021-01-27 03:11:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:29,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668853455] [2021-01-27 03:11:29,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950132815] [2021-01-27 03:11:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 03:11:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:29,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 03:11:29,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 03:11:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:29,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 03:11:29,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 03:11:29,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83599640] [2021-01-27 03:11:29,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 03:11:29,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:29,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 03:11:29,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 03:11:29,746 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:29,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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: 71 and size of Sequence is : 72[2021-01-27 03:11:29,831 INFO L164 SleepSetCegar]: Size of mCounterexample is: 72 [2021-01-27 03:11:29,832 INFO L165 SleepSetCegar]: [1346#[ULTIMATE.startENTRY]true, 1349#[L-1]true, 1352#[L-1-1]true, 1355#[L-1-2]true, 1358#[L921]true, 1361#[L921-1]true, 1364#[L921-2]true, 1367#[L921-3]true, 1370#[L921-4]true, 1373#[L940]true, 1376#[L942]true, 1379#[L944]true, 1382#[L927]true, 1385#[L927-1]true, 1388#[L927-2]true, 1391#[L927-3]true, 1394#[L927-4]true, 1397#[L927-5]true, 1400#[L929]true, 1403#[L929-1]true, 1406#[L929-2]true, 1409#[L929-3]true, 1412#[L929-4]true, 1415#[L929-5]true, 1418#[L929-6]true, 1421#[L930]true, 1424#[L930-1]true, 1427#[L930-2]true, 1430#[L930-3]true, 1433#[L930-4]true, 1436#[L930-5]true, 1439#[L930-6]true, 1442#[L-1-3]true, 1445#[L-1-4]true, 1448#[L938]true, 1451#[L938-1]true, 1454#[L938-2]true, 1457#[L939]true, 1460#[L939-1]true, 1463#[L939-10](= ULTIMATE.start_main_~i~1 0), 1468#[L939-4](= ULTIMATE.start_main_~i~1 0), 1475#[L939-5](= ULTIMATE.start_main_~i~1 0), 1478#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 1483#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 1487#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 1495#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 1501#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 1508#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 1519#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 1525#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 1529#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 1535#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 1541#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 1547#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 1556#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 1565#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 1571#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 1577#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 1583#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 1591#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 1597#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 1606#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 1611#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 1619#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 1623#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1629#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1634#[L939-8, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (= ULTIMATE.start_main_~i~1 0)), 1639#[L939-9, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (<= ULTIMATE.start_main_~i~1 1)), 1642#[L939-10, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1647#[L939-4, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1657#[L939-5, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1665#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~1 1)] [2021-01-27 03:11:30,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-27 03:11:30,033 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:30,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:30,034 INFO L82 PathProgramCache]: Analyzing trace with hash 756952725, now seen corresponding path program 1 times [2021-01-27 03:11:30,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:30,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479837945] [2021-01-27 03:11:30,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:11:30,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:11:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:11:30,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:11:30,158 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:11:30,158 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:11:30,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 03:11:30,159 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:11:30,159 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:11:30,166 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@5fb96061 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) 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) [2021-01-27 03:11:30,171 INFO L168 Benchmark]: Toolchain (without parser) took 3928.81 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 110.3 MB in the end (delta: 166.1 MB). Peak memory consumption was 166.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:30,172 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:11:30,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1127.30 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 261.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:30,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.13 ms. Allocated memory is still 302.0 MB. Free memory was 261.3 MB in the beginning and 259.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:30,174 INFO L168 Benchmark]: Boogie Preprocessor took 34.84 ms. Allocated memory is still 302.0 MB. Free memory was 259.2 MB in the beginning and 257.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:30,175 INFO L168 Benchmark]: RCFGBuilder took 834.59 ms. Allocated memory is still 302.0 MB. Free memory was 257.1 MB in the beginning and 226.7 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:30,176 INFO L168 Benchmark]: TraceAbstraction took 1813.95 ms. Allocated memory is still 302.0 MB. Free memory was 225.7 MB in the beginning and 110.3 MB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:30,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1127.30 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 261.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 97.13 ms. Allocated memory is still 302.0 MB. Free memory was 261.3 MB in the beginning and 259.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.84 ms. Allocated memory is still 302.0 MB. Free memory was 259.2 MB in the beginning and 257.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 834.59 ms. Allocated memory is still 302.0 MB. Free memory was 257.1 MB in the beginning and 226.7 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1813.95 ms. Allocated memory is still 302.0 MB. Free memory was 225.7 MB in the beginning and 110.3 MB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 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@5fb96061 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@5fb96061: 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...