/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-divine/condvar.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:58:00,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:58:00,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:58:00,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:58:00,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:58:00,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:58:00,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:58:00,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:58:00,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:58:00,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:58:00,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:58:00,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:58:00,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:58:00,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:58:00,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:58:00,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:58:00,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:58:00,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:58:00,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:58:00,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:58:00,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:58:00,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:58:00,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:58:00,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:58:00,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:58:00,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 02:58:00,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 02:58:00,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 02:58:00,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 02:58:00,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 02:58:00,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 02:58:00,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 02:58:00,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 02:58:00,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:58:00,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:58:00,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:58:00,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-01-27 02:58:00,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:58:00,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:58:00,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:58:00,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:58:00,728 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:58:00,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:58:00,729 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:58:00,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:58:00,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:58:00,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:58:00,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:58:00,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:58:00,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:58:00,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:58:00,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:58:00,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:58:00,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:58:00,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:58:00,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:58:00,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:58:00,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:58:00,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:58:00,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:58:00,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:58:00,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:58:00,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:58:00,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:58:00,735 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:58:00,735 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:58:00,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:58:00,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:58:00,736 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:58:00,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:58:00,736 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:58:01,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:58:01,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:58:01,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:58:01,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:58:01,191 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:58:01,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar.i [2021-01-27 02:58:01,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a252b4974/02b17b65eb78400eb1b6266f15c089cf/FLAG4d5719f8d [2021-01-27 02:58:01,941 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:58:01,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar.i [2021-01-27 02:58:01,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a252b4974/02b17b65eb78400eb1b6266f15c089cf/FLAG4d5719f8d [2021-01-27 02:58:02,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a252b4974/02b17b65eb78400eb1b6266f15c089cf [2021-01-27 02:58:02,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:58:02,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:58:02,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:58:02,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:58:02,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:58:02,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fe785c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02, skipping insertion in model container [2021-01-27 02:58:02,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:58:02,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:58:02,439 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-27 02:58:02,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:58:02,636 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:58:02,652 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-27 02:58:02,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:58:02,771 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:58:02,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02 WrapperNode [2021-01-27 02:58:02,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:58:02,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:58:02,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:58:02,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:58:02,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:58:02,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:58:02,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:58:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:58:02,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... [2021-01-27 02:58:02,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:58:02,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:58:02,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:58:02,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:58:02,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:58:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:58:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:58:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-01-27 02:58:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-01-27 02:58:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:58:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:58:02,983 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 02:58:03,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:58:03,528 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2021-01-27 02:58:03,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:58:03 BoogieIcfgContainer [2021-01-27 02:58:03,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:58:03,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:58:03,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:58:03,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:58:03,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:58:02" (1/3) ... [2021-01-27 02:58:03,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ee24b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:58:03, skipping insertion in model container [2021-01-27 02:58:03,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:58:02" (2/3) ... [2021-01-27 02:58:03,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ee24b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:58:03, skipping insertion in model container [2021-01-27 02:58:03,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:58:03" (3/3) ... [2021-01-27 02:58:03,539 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar.i [2021-01-27 02:58:03,555 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:58:03,555 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:58:03,560 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 02:58:03,561 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:58:03,597 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,598 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,598 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,598 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,598 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,599 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,599 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,599 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,599 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,600 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,600 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,600 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,601 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,601 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,601 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,601 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,602 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,602 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,602 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,602 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,603 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,603 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,603 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,603 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,604 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,604 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,604 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,604 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,607 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,607 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,607 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,607 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,608 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,608 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,608 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,608 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:58:03,620 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 02:58:03,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-27 02:58:03,663 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:58:03,664 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:58:03,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:58:03,664 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:58:03,664 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:58:03,664 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:58:03,664 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:58:03,665 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 44 and size of Sequence is : 45[2021-01-27 02:58:03,731 INFO L164 SleepSetCegar]: Size of mCounterexample is: 45 [2021-01-27 02:58:03,732 INFO L165 SleepSetCegar]: [76#[ULTIMATE.startENTRY]don't care, 79#[L-1]don't care, 82#[L-1-1]don't care, 85#[L696]don't care, 88#[L696-1]don't care, 91#[L696-2]don't care, 94#[L696-3]don't care, 97#[L696-4]don't care, 100#[L696-5]don't care, 103#[L696-6]don't care, 106#[L696-7]don't care, 109#[L696-8]don't care, 112#[L696-9]don't care, 115#[L696-10]don't care, 118#[L697]don't care, 121#[L697-1]don't care, 124#[L697-2]don't care, 127#[L697-3]don't care, 130#[L697-4]don't care, 133#[L697-5]don't care, 136#[L698]don't care, 139#[L698-1]don't care, 142#[L698-2]don't care, 145#[L698-3]don't care, 148#[L698-4]don't care, 151#[L698-5]don't care, 154#[L698-6]don't care, 157#[L698-7]don't care, 160#[L698-8]don't care, 163#[L700]don't care, 166#[L-1-2]don't care, 169#[L-1-3]don't care, 172#[L711]don't care, 175#[L711-1]don't care, 178#[L712]don't care, 181#[L712-1, threadENTRY]don't care, 186#[L713, threadENTRY]don't care, 192#[L713, L703]don't care, 198#[L713, L703-1]don't care, 202#[L713, L704-2]don't care, 210#[L713, L704-3]don't care, 218#[L713, L706]don't care, 227#[L713, L696]don't care, 233#[L713, L696-2]don't care, 387#[L713, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 02:58:03,732 INFO L429 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:58:03,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:58:03,739 INFO L82 PathProgramCache]: Analyzing trace with hash 857611333, now seen corresponding path program 1 times [2021-01-27 02:58:03,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:58:03,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714587054] [2021-01-27 02:58:03,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:58:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:03,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714587054] [2021-01-27 02:58:03,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:58:03,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:58:03,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356912831] [2021-01-27 02:58:03,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:58:03,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:58:04,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:58:04,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:58:04,011 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:58:04,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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: 44 and size of Sequence is : 45[2021-01-27 02:58:04,025 INFO L164 SleepSetCegar]: Size of mCounterexample is: 45 [2021-01-27 02:58:04,025 INFO L165 SleepSetCegar]: [393#[ULTIMATE.startENTRY]true, 395#[L-1]true, 397#[L-1-1]true, 399#[L696]true, 401#[L696-1]true, 403#[L696-2]true, 405#[L696-3]true, 407#[L696-4]true, 409#[L696-5]true, 411#[L696-6]true, 413#[L696-7]true, 415#[L696-8]true, 417#[L696-9]true, 419#[L696-10]true, 421#[L697]true, 423#[L697-1]true, 425#[L697-2]true, 427#[L697-3]true, 429#[L697-4]true, 431#[L697-5]true, 433#[L698]true, 435#[L698-1]true, 437#[L698-2]true, 439#[L698-3]true, 441#[L698-4]true, 443#[L698-5]true, 445#[L698-6]true, 447#[L698-7]true, 449#[L698-8]true, 451#[L700]true, 453#[L-1-2]true, 455#[L-1-3]true, 457#[L711]true, 459#[L711-1]true, 461#[L712]true, 463#[L712-1, threadENTRY]true, 466#[L713, threadENTRY]true, 470#[L713, L703]true, 474#[L713, L703-1]true, 477#[L713, L704-2]true, 484#[L713, L704-3]true, 489#[L713, L706]true, 495#[L713, L696]true, 499#[L713, L696-2]true, 506#[L713, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 02:58:04,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:58:04,026 INFO L429 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:58:04,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:58:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash 858534854, now seen corresponding path program 1 times [2021-01-27 02:58:04,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:58:04,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109316988] [2021-01-27 02:58:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:58:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:04,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109316988] [2021-01-27 02:58:04,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:58:04,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 02:58:04,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142848754] [2021-01-27 02:58:04,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 02:58:04,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:58:04,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 02:58:04,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 02:58:04,190 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:58:04,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:58:04,214 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 51 and size of Sequence is : 52[2021-01-27 02:58:04,254 INFO L164 SleepSetCegar]: Size of mCounterexample is: 52 [2021-01-27 02:58:04,255 INFO L165 SleepSetCegar]: [513#[ULTIMATE.startENTRY]true, 516#[L-1]true, 519#[L-1-1]true, 522#[L696]true, 525#[L696-1]true, 528#[L696-2]true, 531#[L696-3]true, 534#[L696-4]true, 537#[L696-5]true, 540#[L696-6]true, 543#[L696-7]true, 546#[L696-8]true, 549#[L696-9]true, 552#[L696-10]true, 555#[L697]true, 558#[L697-1]true, 561#[L697-2]true, 564#[L697-3]true, 567#[L697-4]true, 570#[L697-5]true, 573#[L698]true, 576#[L698-1]true, 579#[L698-2]true, 582#[L698-3]true, 585#[L698-4]true, 588#[L698-5]true, 591#[L698-6]true, 594#[L698-7]true, 597#[L698-8]true, 600#[L700]true, 603#[L-1-2](= ~x_set~0 0), 606#[L-1-3](= ~x_set~0 0), 609#[L711](= ~x_set~0 0), 612#[L711-1](= ~x_set~0 0), 615#[L712](= ~x_set~0 0), 618#[L712-1, threadENTRY](= ~x_set~0 0), 623#[L713, threadENTRY](= ~x_set~0 0), 629#[L713, L703](= ~x_set~0 0), 635#[L713, L703-1](= ~x_set~0 0), 639#[L713, L704-2](= ~x_set~0 0), 649#[L713, L705](= ~x_set~0 0), 663#[L713, L705-1](= ~x_set~0 0), 677#[L713, L705-2](= ~x_set~0 0), 639#[L713, L704-2](= ~x_set~0 0), 645#[L713-6, L704-2](= ~x_set~0 0), 698#[L704-2, L713-7](= ~x_set~0 0), 719#[L704-2, L717]true, 744#[L704-3, L717]true, 758#[L717, L706]true, 771#[L717, L696]true, 786#[L696-2, L717]true, 804#[threadErr0ASSERT_VIOLATIONERROR_FUNCTION, L717]true] [2021-01-27 02:58:04,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:58:04,258 INFO L429 AbstractCegarLoop]: === Iteration 3 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:58:04,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:58:04,259 INFO L82 PathProgramCache]: Analyzing trace with hash 877132344, now seen corresponding path program 1 times [2021-01-27 02:58:04,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:58:04,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612360657] [2021-01-27 02:58:04,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:58:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:04,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612360657] [2021-01-27 02:58:04,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:58:04,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 02:58:04,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169530360] [2021-01-27 02:58:04,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 02:58:04,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:58:04,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 02:58:04,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 02:58:04,370 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:58:04,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:58:04,398 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 56 and size of Sequence is : 57[2021-01-27 02:58:04,418 INFO L164 SleepSetCegar]: Size of mCounterexample is: 57 [2021-01-27 02:58:04,419 INFO L165 SleepSetCegar]: [812#[ULTIMATE.startENTRY]true, 815#[L-1]true, 818#[L-1-1]true, 821#[L696]true, 824#[L696-1]true, 827#[L696-2]true, 830#[L696-3]true, 833#[L696-4]true, 836#[L696-5]true, 839#[L696-6]true, 842#[L696-7]true, 845#[L696-8]true, 848#[L696-9]true, 851#[L696-10]true, 854#[L697]true, 857#[L697-1]true, 860#[L697-2]true, 863#[L697-3]true, 866#[L697-4]true, 869#[L697-5]true, 872#[L698]true, 875#[L698-1]true, 878#[L698-2]true, 881#[L698-3]true, 884#[L698-4]true, 887#[L698-5]true, 890#[L698-6]true, 893#[L698-7]true, 896#[L698-8]true, 899#[L700]true, 902#[L-1-2](= ~x_set~0 0), 905#[L-1-3](= ~x_set~0 0), 908#[L711](= ~x_set~0 0), 911#[L711-1](= ~x_set~0 0), 914#[L712](= ~x_set~0 0), 917#[L712-1, threadENTRY](= ~x_set~0 0), 922#[L713, threadENTRY](= ~x_set~0 0), 928#[L713, L703](= ~x_set~0 0), 934#[L713, L703-1](= ~x_set~0 0), 938#[L713, L704-2](= ~x_set~0 0), 948#[L713, L705](= ~x_set~0 0), 956#[L713, L705-1](= ~x_set~0 0), 964#[L713, L705-2](= ~x_set~0 0), 938#[L713, L704-2](= ~x_set~0 0), 944#[L713-6, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 980#[L714, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1009#[L713-3, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1030#[L713-4, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1057#[L713-5, L704-2](= ~x_set~0 0), 1079#[L713-6, L704-2](= ~x_set~0 0), 1088#[L704-2, L713-7](= ~x_set~0 0), 1098#[L704-2, L717]true, 1113#[L704-3, L717]true, 1120#[L717, L706]true, 1127#[L717, L696]true, 1135#[L696-2, L717]true, 1144#[threadErr0ASSERT_VIOLATIONERROR_FUNCTION, L717]true] [2021-01-27 02:58:04,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:58:04,419 INFO L429 AbstractCegarLoop]: === Iteration 4 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:58:04,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:58:04,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2030904145, now seen corresponding path program 1 times [2021-01-27 02:58:04,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:58:04,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495542361] [2021-01-27 02:58:04,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:58:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:04,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495542361] [2021-01-27 02:58:04,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271553245] [2021-01-27 02:58:04,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 02:58:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:04,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 02:58:04,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 02:58:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:04,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 02:58:04,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 02:58:04,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137773450] [2021-01-27 02:58:04,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:58:04,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:58:04,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:58:04,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:58:04,719 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:58:04,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:58:04,792 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 61 and size of Sequence is : 62[2021-01-27 02:58:04,814 INFO L164 SleepSetCegar]: Size of mCounterexample is: 62 [2021-01-27 02:58:04,815 INFO L165 SleepSetCegar]: [1321#[ULTIMATE.startENTRY]true, 1324#[L-1]true, 1327#[L-1-1]true, 1330#[L696]true, 1333#[L696-1]true, 1336#[L696-2]true, 1339#[L696-3]true, 1342#[L696-4]true, 1345#[L696-5]true, 1348#[L696-6]true, 1351#[L696-7]true, 1354#[L696-8]true, 1357#[L696-9]true, 1360#[L696-10]true, 1363#[L697]true, 1366#[L697-1]true, 1369#[L697-2]true, 1372#[L697-3]true, 1375#[L697-4]true, 1378#[L697-5]true, 1381#[L698]true, 1384#[L698-1]true, 1387#[L698-2]true, 1390#[L698-3]true, 1393#[L698-4]true, 1396#[L698-5]true, 1399#[L698-6]true, 1402#[L698-7]true, 1405#[L698-8]true, 1408#[L700]true, 1411#[L-1-2](= ~x_set~0 0), 1414#[L-1-3](= ~x_set~0 0), 1417#[L711](= ~x_set~0 0), 1420#[L711-1](= ~x_set~0 0), 1423#[L712](= ~x_set~0 0), 1426#[L712-1, threadENTRY](= ~x_set~0 0), 1431#[L713, threadENTRY](= ~x_set~0 0), 1437#[L713, L703](= ~x_set~0 0), 1443#[L713, L703-1](= ~x_set~0 0), 1447#[L713, L704-2](= ~x_set~0 0), 1457#[L713, L705](= ~x_set~0 0), 1465#[L713, L705-1](= ~x_set~0 0), 1473#[L713, L705-2](= ~x_set~0 0), 1447#[L713, L704-2](= ~x_set~0 0), 1453#[L713-6, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1489#[L714, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1500#[L713-3, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1505#[L713-4, L704-2](and (= |ULTIMATE.start_main_#t~post9| 0) (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 1516#[L713-5, L704-2](and (= |ULTIMATE.start_main_#t~post9| 0) (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 1526#[L713-6, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 1542#[L714, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 1555#[L713-3, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 1564#[L713-4, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 1575#[L713-5, L704-2](= ~x_set~0 0), 1582#[L713-6, L704-2](= ~x_set~0 0), 1589#[L704-2, L713-7](= ~x_set~0 0), 1599#[L704-2, L717]true, 1614#[L704-3, L717]true, 1621#[L717, L706]true, 1628#[L717, L696]true, 1636#[L696-2, L717]true, 1645#[threadErr0ASSERT_VIOLATIONERROR_FUNCTION, L717]true] [2021-01-27 02:58:05,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 02:58:05,024 INFO L429 AbstractCegarLoop]: === Iteration 5 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:58:05,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:58:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2000502312, now seen corresponding path program 2 times [2021-01-27 02:58:05,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:58:05,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12635510] [2021-01-27 02:58:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:58:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:05,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12635510] [2021-01-27 02:58:05,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131629940] [2021-01-27 02:58:05,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 02:58:05,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-27 02:58:05,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-27 02:58:05,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-27 02:58:05,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 02:58:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:05,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 02:58:05,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-27 02:58:05,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643130999] [2021-01-27 02:58:05,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-27 02:58:05,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:58:05,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-27 02:58:05,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-01-27 02:58:05,263 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:58:05,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:58:05,366 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 66 and size of Sequence is : 67[2021-01-27 02:58:05,382 INFO L164 SleepSetCegar]: Size of mCounterexample is: 67 [2021-01-27 02:58:05,383 INFO L165 SleepSetCegar]: [1839#[ULTIMATE.startENTRY]true, 1842#[L-1]true, 1845#[L-1-1]true, 1848#[L696]true, 1851#[L696-1]true, 1854#[L696-2]true, 1857#[L696-3]true, 1860#[L696-4]true, 1863#[L696-5]true, 1866#[L696-6]true, 1869#[L696-7]true, 1872#[L696-8]true, 1875#[L696-9]true, 1878#[L696-10]true, 1881#[L697]true, 1884#[L697-1]true, 1887#[L697-2]true, 1890#[L697-3]true, 1893#[L697-4]true, 1896#[L697-5]true, 1899#[L698]true, 1902#[L698-1]true, 1905#[L698-2]true, 1908#[L698-3]true, 1911#[L698-4]true, 1914#[L698-5]true, 1917#[L698-6]true, 1920#[L698-7]true, 1923#[L698-8]true, 1926#[L700]true, 1929#[L-1-2](= ~x_set~0 0), 1932#[L-1-3](= ~x_set~0 0), 1935#[L711](= ~x_set~0 0), 1938#[L711-1](= ~x_set~0 0), 1941#[L712](= ~x_set~0 0), 1944#[L712-1, threadENTRY](= ~x_set~0 0), 1949#[L713, threadENTRY](= ~x_set~0 0), 1955#[L713, L703](= ~x_set~0 0), 1961#[L713, L703-1](= ~x_set~0 0), 1965#[L713, L704-2](= ~x_set~0 0), 1975#[L713, L705](= ~x_set~0 0), 1983#[L713, L705-1](= ~x_set~0 0), 1991#[L713, L705-2](= ~x_set~0 0), 1965#[L713, L704-2](= ~x_set~0 0), 1971#[L713-6, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 2007#[L714, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 2018#[L713-3, L704-2](and (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 2023#[L713-4, L704-2](and (= |ULTIMATE.start_main_#t~post9| 0) (= ULTIMATE.start_main_~i~0 0) (= ~x_set~0 0)), 2034#[L713-5, L704-2](and (= |ULTIMATE.start_main_#t~post9| 0) (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 2044#[L713-6, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 2060#[L714, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 2067#[L713-3, L704-2](and (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 2072#[L713-4, L704-2](and (<= |ULTIMATE.start_main_#t~post9| 1) (<= ULTIMATE.start_main_~i~0 1) (= ~x_set~0 0)), 2081#[L713-5, L704-2](and (<= |ULTIMATE.start_main_#t~post9| 1) (= ~x_set~0 0) (<= ULTIMATE.start_main_~i~0 2)), 2089#[L713-6, L704-2](and (= ~x_set~0 0) (<= ULTIMATE.start_main_~i~0 2)), 2103#[L714, L704-2](and (= ~x_set~0 0) (<= ULTIMATE.start_main_~i~0 2)), 2116#[L713-3, L704-2](and (= ~x_set~0 0) (<= ULTIMATE.start_main_~i~0 2)), 2125#[L713-4, L704-2](and (= ~x_set~0 0) (<= ULTIMATE.start_main_~i~0 2)), 2136#[L713-5, L704-2](= ~x_set~0 0), 2143#[L713-6, L704-2](= ~x_set~0 0), 2150#[L704-2, L713-7](= ~x_set~0 0), 2160#[L704-2, L717]true, 2175#[L704-3, L717]true, 2182#[L717, L706]true, 2189#[L717, L696]true, 2197#[L696-2, L717]true, 2206#[threadErr0ASSERT_VIOLATIONERROR_FUNCTION, L717]true] [2021-01-27 02:58:05,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 02:58:05,585 INFO L429 AbstractCegarLoop]: === Iteration 6 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:58:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:58:05,586 INFO L82 PathProgramCache]: Analyzing trace with hash -2042749007, now seen corresponding path program 3 times [2021-01-27 02:58:05,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:58:05,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996409495] [2021-01-27 02:58:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:58:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:58:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:58:05,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996409495] [2021-01-27 02:58:05,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997111176] [2021-01-27 02:58:05,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 02:58:05,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-01-27 02:58:05,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-27 02:58:05,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-27 02:58:05,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 02:58:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-01-27 02:58:05,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-27 02:58:05,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-01-27 02:58:05,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437638918] [2021-01-27 02:58:05,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:58:05,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:58:05,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:58:05,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-01-27 02:58:05,906 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:58:05,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:58:06,020 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:58:06,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 02:58:06,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:58:06 BasicIcfg [2021-01-27 02:58:06,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:58:06,301 INFO L168 Benchmark]: Toolchain (without parser) took 4076.65 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.2 MB in the beginning and 269.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.0 GB. [2021-01-27 02:58:06,302 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.0 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:58:06,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.87 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 247.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-27 02:58:06,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.53 ms. Allocated memory is still 302.0 MB. Free memory was 247.0 MB in the beginning and 245.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:58:06,305 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 ms. Allocated memory is still 302.0 MB. Free memory was 245.1 MB in the beginning and 243.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:58:06,305 INFO L168 Benchmark]: RCFGBuilder took 670.83 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 262.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2021-01-27 02:58:06,306 INFO L168 Benchmark]: TraceAbstraction took 2767.51 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 261.4 MB in the beginning and 269.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.0 GB. [2021-01-27 02:58:06,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.0 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 536.87 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 247.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.53 ms. Allocated memory is still 302.0 MB. Free memory was 247.0 MB in the beginning and 245.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.71 ms. Allocated memory is still 302.0 MB. Free memory was 245.1 MB in the beginning and 243.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 670.83 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 262.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2767.51 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 261.4 MB in the beginning and 269.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 505 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 38018 SizeOfPredicates, 12 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 25/59 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...