/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 06:15:52,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 06:15:52,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 06:15:52,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 06:15:52,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 06:15:52,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 06:15:52,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 06:15:52,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 06:15:52,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 06:15:52,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 06:15:52,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 06:15:52,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 06:15:52,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 06:15:52,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 06:15:52,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 06:15:52,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 06:15:52,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 06:15:52,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 06:15:52,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 06:15:52,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 06:15:52,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 06:15:52,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 06:15:52,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 06:15:52,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 06:15:52,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 06:15:52,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 06:15:52,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 06:15:52,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 06:15:52,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 06:15:52,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 06:15:52,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 06:15:52,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 06:15:52,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 06:15:52,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 06:15:52,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 06:15:52,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 06:15:52,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2020-12-18 06:15:52,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 06:15:52,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 06:15:52,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 06:15:52,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 06:15:52,689 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 06:15:52,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 06:15:52,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 06:15:52,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 06:15:52,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 06:15:52,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 06:15:52,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 06:15:52,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 06:15:52,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 06:15:52,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 06:15:52,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 06:15:52,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 06:15:52,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 06:15:52,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 06:15:52,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 06:15:52,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 06:15:52,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 06:15:52,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:15:52,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 06:15:52,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 06:15:52,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 06:15:52,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 06:15:52,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 06:15:52,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 06:15:52,694 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 06:15:52,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 06:15:52,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 06:15:52,695 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 06:15:52,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 06:15:52,696 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 06:15:53,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 06:15:53,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 06:15:53,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 06:15:53,176 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 06:15:53,177 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 06:15:53,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2020-12-18 06:15:53,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d204950f8/6913f8744804452fb047ea6981a0ecbe/FLAG15fa6fd3b [2020-12-18 06:15:54,056 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 06:15:54,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2020-12-18 06:15:54,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d204950f8/6913f8744804452fb047ea6981a0ecbe/FLAG15fa6fd3b [2020-12-18 06:15:54,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d204950f8/6913f8744804452fb047ea6981a0ecbe [2020-12-18 06:15:54,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 06:15:54,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 06:15:54,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 06:15:54,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 06:15:54,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 06:15:54,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43dbc429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54, skipping insertion in model container [2020-12-18 06:15:54,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 06:15:54,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 06:15:54,537 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-18 06:15:54,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:15:54,687 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 06:15:54,706 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-18 06:15:54,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:15:54,892 INFO L208 MainTranslator]: Completed translation [2020-12-18 06:15:54,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54 WrapperNode [2020-12-18 06:15:54,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 06:15:54,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 06:15:54,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 06:15:54,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 06:15:54,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 06:15:54,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 06:15:54,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 06:15:54,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 06:15:54,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (1/1) ... [2020-12-18 06:15:54,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 06:15:54,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 06:15:54,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 06:15:54,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 06:15:54,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (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 06:15:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 06:15:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 06:15:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 06:15:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 06:15:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 06:15:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 06:15:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 06:15:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 06:15:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 06:15:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 06:15:55,056 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 06:15:55,587 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 06:15:55,588 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-18 06:15:55,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:15:55 BoogieIcfgContainer [2020-12-18 06:15:55,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 06:15:55,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 06:15:55,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 06:15:55,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 06:15:55,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:15:54" (1/3) ... [2020-12-18 06:15:55,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b45e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:15:55, skipping insertion in model container [2020-12-18 06:15:55,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:54" (2/3) ... [2020-12-18 06:15:55,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b45e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:15:55, skipping insertion in model container [2020-12-18 06:15:55,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:15:55" (3/3) ... [2020-12-18 06:15:55,601 INFO L111 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2020-12-18 06:15:55,617 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 06:15:55,617 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 06:15:55,622 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 06:15:55,623 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 06:15:55,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,653 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,656 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,656 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,657 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,660 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,660 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:55,673 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 06:15:55,689 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-18 06:15:55,732 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 06:15:55,733 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 06:15:55,734 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 06:15:55,734 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 06:15:55,734 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 06:15:55,734 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 06:15:55,734 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 06:15:55,735 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 06:15:55,830 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 73ms [2020-12-18 06:15:55,830 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 68 states, but on-demand construction may add more states [2020-12-18 06:15:55,840 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 60 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 59 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 19 and size of Sequence is : 20[2020-12-18 06:15:55,866 INFO L131 SleepSetCegar]: Size of mCounterexample is: 20 [2020-12-18 06:15:55,866 INFO L132 SleepSetCegar]: [37#[ULTIMATE.startENTRY]don't care, 40#[L-1]don't care, 43#[L-1-1]don't care, 46#[L12]don't care, 49#[L12-1]don't care, 52#[L12-2]don't care, 55#[L12-3]don't care, 58#[L12-4]don't care, 61#[L701]don't care, 64#[L-1-2]don't care, 67#[L-1-3]don't care, 70#[L717]don't care, 73#[L718-4]don't care, 78#[L718-1]don't care, 99#[L718-2]don't care, 102#[thr1ENTRY, L718-3]don't care, 107#[thr1ENTRY, L718-4]don't care, 113#[thr1ENTRY, L718-1]don't care, 121#[thr1ENTRY, L718-2]don't care, 127#[ULTIMATE.startErr0INUSE_VIOLATION, thr1ENTRY]don't care] [2020-12-18 06:15:55,867 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 06:15:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:15:55,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1466547069, now seen corresponding path program 1 times [2020-12-18 06:15:55,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:15:55,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742440629] [2020-12-18 06:15:55,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:15:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-18 06:15:56,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-18 06:15:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-18 06:15:56,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-18 06:15:56,173 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-18 06:15:56,174 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-18 06:15:56,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 06:15:56,175 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-18 06:15:56,175 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-18 06:15:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:56,234 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 06:15:56,235 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 06:15:56,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 06:15:56,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 06:15:56,239 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 06:15:56,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 06:15:56,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 06:15:56,240 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 06:15:56,240 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 06:15:56,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 06:15:56,468 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 225ms [2020-12-18 06:15:56,468 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 444 states, but on-demand construction may add more states [2020-12-18 06:15:56,470 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 372 states, 307 states have (on average 1.3159609120521172) internal successors, (404), 371 states have internal predecessors, (404), 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: 17 and size of Sequence is : 18[2020-12-18 06:15:56,472 INFO L131 SleepSetCegar]: Size of mCounterexample is: 18 [2020-12-18 06:15:56,473 INFO L132 SleepSetCegar]: [47#[ULTIMATE.startENTRY]don't care, 50#[L-1]don't care, 53#[L-1-1]don't care, 56#[L12]don't care, 59#[L12-1]don't care, 62#[L12-2]don't care, 65#[L12-3]don't care, 68#[L12-4]don't care, 71#[L701]don't care, 74#[L-1-2]don't care, 77#[L-1-3]don't care, 80#[L717]don't care, 83#[L718-4]don't care, 86#[L718-1]don't care, 109#[L718-2]don't care, 112#[thr1ENTRY, L718-3]don't care, 117#[L718-3, L704]don't care, 125#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L718-3]don't care] [2020-12-18 06:15:56,473 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:15:56,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:15:56,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2014847461, now seen corresponding path program 1 times [2020-12-18 06:15:56,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:15:56,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831362017] [2020-12-18 06:15:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:15:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:15:56,604 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 06:15:56,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831362017] [2020-12-18 06:15:56,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:15:56,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 06:15:56,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477810801] [2020-12-18 06:15:56,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 06:15:56,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:15:56,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 06:15:56,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 06:15:56,637 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:15:56,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 06:15:56,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 06:15:56,660 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@2d5f92c9 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 06:15:56,665 INFO L168 Benchmark]: Toolchain (without parser) took 2381.70 ms. Allocated memory is still 312.5 MB. Free memory was 286.9 MB in the beginning and 215.7 MB in the end (delta: 71.2 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:56,666 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 312.5 MB. Free memory was 283.5 MB in the beginning and 283.5 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:15:56,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.44 ms. Allocated memory is still 312.5 MB. Free memory was 286.6 MB in the beginning and 289.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:56,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.14 ms. Allocated memory is still 312.5 MB. Free memory was 289.1 MB in the beginning and 287.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:15:56,668 INFO L168 Benchmark]: Boogie Preprocessor took 27.75 ms. Allocated memory is still 312.5 MB. Free memory was 287.0 MB in the beginning and 285.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:56,669 INFO L168 Benchmark]: RCFGBuilder took 619.45 ms. Allocated memory is still 312.5 MB. Free memory was 285.9 MB in the beginning and 264.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:56,670 INFO L168 Benchmark]: TraceAbstraction took 1070.47 ms. Allocated memory is still 312.5 MB. Free memory was 263.9 MB in the beginning and 215.7 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:56,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 312.5 MB. Free memory was 283.5 MB in the beginning and 283.5 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 610.44 ms. Allocated memory is still 312.5 MB. Free memory was 286.6 MB in the beginning and 289.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.14 ms. Allocated memory is still 312.5 MB. Free memory was 289.1 MB in the beginning and 287.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.75 ms. Allocated memory is still 312.5 MB. Free memory was 287.0 MB in the beginning and 285.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 619.45 ms. Allocated memory is still 312.5 MB. Free memory was 285.9 MB in the beginning and 264.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1070.47 ms. Allocated memory is still 312.5 MB. Free memory was 263.9 MB in the beginning and 215.7 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 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@2d5f92c9 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@2d5f92c9: 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...