/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:33:11,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:33:11,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:33:11,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:33:11,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:33:11,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:33:11,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:33:11,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:33:11,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:33:11,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:33:11,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:33:11,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:33:11,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:33:11,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:33:11,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:33:11,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:33:11,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:33:11,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:33:11,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:33:11,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:33:11,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:33:11,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:33:11,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:33:11,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:33:11,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:33:11,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:33:11,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:33:11,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:33:11,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-01-26 23:33:11,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:33:11,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:33:11,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:33:11,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:33:11,695 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:33:11,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:33:11,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:33:11,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:33:11,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:33:11,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:33:11,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:33:11,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:33:11,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:33:11,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:33:11,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:33:11,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:33:11,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:33:11,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:33:11,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:33:11,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:33:11,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:33:11,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:33:11,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:33:11,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:33:11,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:33:11,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:33:11,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:33:11,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:33:11,709 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:33:11,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:33:11,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:33:11,710 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:33:11,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:33:11,710 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:33:12,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:33:12,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:33:12,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:33:12,168 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:33:12,169 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:33:12,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-01-26 23:33:12,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612c982e9/fc14d6cc68154dd089efff774bd59394/FLAG7f360bb1d [2021-01-26 23:33:12,965 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:33:12,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-01-26 23:33:13,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612c982e9/fc14d6cc68154dd089efff774bd59394/FLAG7f360bb1d [2021-01-26 23:33:13,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612c982e9/fc14d6cc68154dd089efff774bd59394 [2021-01-26 23:33:13,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:33:13,267 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:33:13,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:33:13,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:33:13,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:33:13,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:33:13" (1/1) ... [2021-01-26 23:33:13,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f741503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:13, skipping insertion in model container [2021-01-26 23:33:13,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:33:13" (1/1) ... [2021-01-26 23:33:13,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:33:13,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:33:13,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:33:13,891 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:33:13,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:33:14,113 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:33:14,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14 WrapperNode [2021-01-26 23:33:14,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:33:14,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:33:14,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:33:14,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:33:14,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:33:14,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:33:14,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:33:14,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:33:14,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (1/1) ... [2021-01-26 23:33:14,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:33:14,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:33:14,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:33:14,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:33:14,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (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 [2021-01-26 23:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-26 23:33:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-26 23:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-26 23:33:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-26 23:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:33:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:33:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:33:14,302 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 23:33:14,686 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:33:14,686 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-26 23:33:14,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:33:14 BoogieIcfgContainer [2021-01-26 23:33:14,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:33:14,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:33:14,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:33:14,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:33:14,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:33:13" (1/3) ... [2021-01-26 23:33:14,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ea1942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:33:14, skipping insertion in model container [2021-01-26 23:33:14,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:33:14" (2/3) ... [2021-01-26 23:33:14,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ea1942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:33:14, skipping insertion in model container [2021-01-26 23:33:14,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:33:14" (3/3) ... [2021-01-26 23:33:14,698 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2021-01-26 23:33:14,715 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:33:14,715 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:33:14,719 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:33:14,720 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:33:14,752 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,757 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,757 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,766 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,767 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,767 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:33:14,785 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 23:33:14,796 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 23:33:14,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:33:14,820 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:33:14,820 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:33:14,820 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:33:14,820 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:33:14,820 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:33:14,821 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:33:14,821 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 50 and size of Sequence is : 51[2021-01-26 23:33:14,906 INFO L164 SleepSetCegar]: Size of mCounterexample is: 51 [2021-01-26 23:33:14,907 INFO L165 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 78#[L-1-1]don't care, 80#[L683]don't care, 82#[L683-1]don't care, 84#[L683-2]don't care, 86#[L683-3]don't care, 88#[L683-4]don't care, 90#[L691]don't care, 92#[L-1-2]don't care, 94#[L-1-3]don't care, 96#[L-1-4]don't care, 98#[L700]don't care, 100#[L700-1]don't care, 102#[L701]don't care, 104#[L701-1]don't care, 106#[L701-2]don't care, 108#[L703]don't care, 110#[L704]don't care, 112#[L704-1]don't care, 114#[L705]don't care, 116#[L705-1]don't care, 118#[L686]don't care, 120#[L687]don't care, 124#[L686-1]don't care, 126#[L706]don't care, 128#[L706-1, thr1ENTRY]don't care, 132#[L706-1, L693]don't care, 136#[L693-1, L706-1]don't care, 140#[L706-1, L689]don't care, 144#[L706-1, L689-1]don't care, 148#[L706-1, L689-2]don't care, 154#[L683, L706-1]don't care, 158#[L706-1, L683-4]don't care, 162#[L707, L683-4]don't care, 166#[L683-4, L707-6]don't care, 172#[L683-4, L708]don't care, 206#[L708-1, L683-4]don't care, 208#[L708-2, thr2ENTRY, L683-4]don't care, 216#[L707-3, thr2ENTRY, L683-4]don't care, 218#[L696, L707-3, L683-4]don't care, 226#[L697, L707-3, L683-4]don't care, 232#[L707-3, L698, L683-4]don't care, 238#[L707-3, thr2FINAL, L683-4]don't care, 246#[L707-3, thr2EXIT, L683-4]don't care, 250#[L707-4, thr2EXIT, L683-4]don't care, 254#[thr2EXIT, L707-5, L683-4]don't care, 258#[thr2EXIT, L683-4, L707-6]don't care, 264#[thr2EXIT, L683-4, L708]don't care, 298#[L708-1, thr2EXIT, L683-4]don't care, 302#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, L683-4]don't care] [2021-01-26 23:33:14,908 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 23:33:14,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:33:14,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1598694038, now seen corresponding path program 1 times [2021-01-26 23:33:14,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:33:14,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468129700] [2021-01-26 23:33:14,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:33:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:33:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-26 23:33:15,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468129700] [2021-01-26 23:33:15,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:33:15,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:33:15,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396604500] [2021-01-26 23:33:15,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:33:15,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:33:15,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:33:15,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:33:15,287 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:33:15,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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: 34 and size of Sequence is : 35[2021-01-26 23:33:15,300 INFO L164 SleepSetCegar]: Size of mCounterexample is: 35 [2021-01-26 23:33:15,301 INFO L165 SleepSetCegar]: [305#[ULTIMATE.startENTRY]true, 306#[L-1]true, 307#[L-1-1]true, 308#[L683]true, 309#[L683-1]true, 310#[L683-2]true, 311#[L683-3]true, 312#[L683-4]true, 313#[L691]true, 314#[L-1-2]true, 315#[L-1-3]true, 316#[L-1-4]true, 317#[L700]true, 318#[L700-1]true, 319#[L701]true, 320#[L701-1]true, 321#[L701-2]true, 322#[L703]true, 323#[L704]true, 324#[L704-1]true, 325#[L705]true, 326#[L705-1]true, 327#[L686]true, 328#[L687]true, 330#[L686-1]true, 332#[L706]true, 333#[L706-1, thr1ENTRY]true, 335#[L706-1, L693]true, 337#[L693-1, L706-1]true, 339#[L706-1, L689]true, 341#[L706-1, L689-1]true, 343#[L706-1, L689-2]true, 346#[L683, L706-1]true, 349#[L706-1, L683-2]true, 358#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L706-1]true] [2021-01-26 23:33:15,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:33:15,302 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 23:33:15,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:33:15,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1312429080, now seen corresponding path program 1 times [2021-01-26 23:33:15,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:33:15,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276607460] [2021-01-26 23:33:15,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:33:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:33:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:33:15,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276607460] [2021-01-26 23:33:15,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:33:15,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 23:33:15,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614660909] [2021-01-26 23:33:15,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 23:33:15,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:33:15,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 23:33:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 23:33:15,552 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:33:15,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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: 49 and size of Sequence is : 50[2021-01-26 23:33:15,777 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 23:33:15,779 INFO L165 SleepSetCegar]: [368#[ULTIMATE.startENTRY]true, 370#[L-1]true, 372#[L-1-1]true, 374#[L683]true, 376#[L683-1]true, 378#[L683-2]true, 380#[L683-3]true, 382#[L683-4]true, 384#[L691](= ~x~0 0), 386#[L-1-2](= ~x~0 0), 388#[L-1-3](= ~x~0 0), 390#[L-1-4](= ~x~0 0), 392#[L700](= ~x~0 0), 394#[L700-1](= ~x~0 0), 396#[L701](= ~x~0 0), 398#[L701-1](= ~x~0 0), 400#[L701-2](= ~x~0 0), 402#[L703](= ~x~0 0), 404#[L704](= ~x~0 0), 406#[L704-1](= ~x~0 0), 408#[L705](= ~x~0 0), 412#[L705-1](and (= ~x~0 0) (or (<= 20 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))), 414#[L686](and (= ~x~0 0) (or (<= 20 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))), 418#[L687](let ((.cse0 (= ~x~0 0))) (let ((.cse1 (and .cse0 (<= 20 ~n~0)))) (and .cse0 (or (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) .cse1) (or (= ULTIMATE.start_assume_abort_if_not_~cond 0) .cse1)))), 422#[L686-1](and (= ~x~0 0) (<= 20 ~n~0)), 426#[L706](and (= ~x~0 0) (<= 20 ~n~0)), 428#[L706-1, thr1ENTRY](and (= ~x~0 0) (<= 20 ~n~0)), 432#[L706-1, L693](and (= ~x~0 0) (<= 20 ~n~0)), 438#[L693-1, L706-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 442#[L706-1, L689](and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 448#[L706-1, L689-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 454#[L689-4, L706-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 462#[L706-1, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 467#[L707, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 472#[L707-6, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 485#[thr1EXIT, L708](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 525#[L708-1, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 530#[L708-2, thr2ENTRY, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 540#[L707-3, thr2ENTRY, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 548#[L696, L707-3, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 558#[L697, L707-3, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 568#[L707-3, L698, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 580#[L707-3, thr2FINAL, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 592#[L707-3, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 597#[L707-4, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 602#[thr2EXIT, L707-5, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 607#[thr2EXIT, L707-6, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 620#[thr2EXIT, thr1EXIT, L708](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 660#[L708-1, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 665#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0)))] [2021-01-26 23:33:15,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:33:15,779 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 23:33:15,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:33:15,780 INFO L82 PathProgramCache]: Analyzing trace with hash -560463023, now seen corresponding path program 1 times [2021-01-26 23:33:15,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:33:15,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966454400] [2021-01-26 23:33:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:33:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:33:15,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:33:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:33:15,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:33:15,934 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:33:15,934 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:33:15,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 23:33:15,935 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:33:15,935 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:33:15,942 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@542b4c0d 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) [2021-01-26 23:33:15,948 INFO L168 Benchmark]: Toolchain (without parser) took 2690.88 ms. Allocated memory is still 310.4 MB. Free memory was 283.8 MB in the beginning and 186.5 MB in the end (delta: 97.3 MB). Peak memory consumption was 96.9 MB. Max. memory is 16.0 GB. [2021-01-26 23:33:15,949 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 310.4 MB. Free memory was 281.4 MB in the beginning and 281.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:33:15,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.74 ms. Allocated memory is still 310.4 MB. Free memory was 282.8 MB in the beginning and 285.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:33:15,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.73 ms. Allocated memory is still 310.4 MB. Free memory was 285.9 MB in the beginning and 284.0 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:33:15,951 INFO L168 Benchmark]: Boogie Preprocessor took 34.06 ms. Allocated memory is still 310.4 MB. Free memory was 284.0 MB in the beginning and 283.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:33:15,952 INFO L168 Benchmark]: RCFGBuilder took 478.17 ms. Allocated memory is still 310.4 MB. Free memory was 281.9 MB in the beginning and 262.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-01-26 23:33:15,953 INFO L168 Benchmark]: TraceAbstraction took 1254.84 ms. Allocated memory is still 310.4 MB. Free memory was 260.9 MB in the beginning and 186.5 MB in the end (delta: 74.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:33:15,957 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 310.4 MB. Free memory was 281.4 MB in the beginning and 281.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 848.74 ms. Allocated memory is still 310.4 MB. Free memory was 282.8 MB in the beginning and 285.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.73 ms. Allocated memory is still 310.4 MB. Free memory was 285.9 MB in the beginning and 284.0 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.06 ms. Allocated memory is still 310.4 MB. Free memory was 284.0 MB in the beginning and 283.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 478.17 ms. Allocated memory is still 310.4 MB. Free memory was 281.9 MB in the beginning and 262.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1254.84 ms. Allocated memory is still 310.4 MB. Free memory was 260.9 MB in the beginning and 186.5 MB in the end (delta: 74.4 MB). Peak memory consumption was 73.4 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@542b4c0d de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@542b4c0d: 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...