/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-wmm/safe009_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 22:52:11,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 22:52:11,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 22:52:11,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 22:52:11,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 22:52:11,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 22:52:11,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 22:52:11,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 22:52:11,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 22:52:11,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 22:52:11,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 22:52:11,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 22:52:11,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 22:52:11,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 22:52:11,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 22:52:11,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 22:52:11,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 22:52:11,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 22:52:11,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 22:52:11,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 22:52:11,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 22:52:11,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 22:52:11,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 22:52:11,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 22:52:11,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 22:52:11,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 22:52:11,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 22:52:11,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 22:52:11,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 22:52:11,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 22:52:11,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 22:52:11,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 22:52:11,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 22:52:11,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 22:52:11,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 22:52:11,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 22:52:11,461 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 22:52:11,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 22:52:11,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 22:52:11,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 22:52:11,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 22:52:11,492 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 22:52:11,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 22:52:11,492 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 22:52:11,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 22:52:11,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 22:52:11,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 22:52:11,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 22:52:11,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 22:52:11,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 22:52:11,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 22:52:11,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 22:52:11,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 22:52:11,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 22:52:11,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 22:52:11,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 22:52:11,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 22:52:11,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 22:52:11,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 22:52:11,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 22:52:11,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 22:52:11,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 22:52:11,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 22:52:11,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 22:52:11,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 22:52:11,498 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 22:52:11,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 22:52:11,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 22:52:11,498 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 22:52:11,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 22:52:11,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 22:52:11,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 22:52:11,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 22:52:11,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 22:52:11,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 22:52:11,910 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 22:52:11,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2021-01-26 22:52:12,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ffad87f/8c386c86b28840e19a5d3dda2cc70d43/FLAG1dbfcd909 [2021-01-26 22:52:12,855 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 22:52:12,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2021-01-26 22:52:12,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ffad87f/8c386c86b28840e19a5d3dda2cc70d43/FLAG1dbfcd909 [2021-01-26 22:52:13,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ffad87f/8c386c86b28840e19a5d3dda2cc70d43 [2021-01-26 22:52:13,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 22:52:13,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 22:52:13,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 22:52:13,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 22:52:13,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 22:52:13,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29798fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13, skipping insertion in model container [2021-01-26 22:52:13,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 22:52:13,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 22:52:13,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 22:52:13,611 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 22:52:13,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 22:52:13,769 INFO L208 MainTranslator]: Completed translation [2021-01-26 22:52:13,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13 WrapperNode [2021-01-26 22:52:13,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 22:52:13,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 22:52:13,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 22:52:13,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 22:52:13,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 22:52:13,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 22:52:13,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 22:52:13,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 22:52:13,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (1/1) ... [2021-01-26 22:52:13,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 22:52:13,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 22:52:13,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 22:52:13,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 22:52:13,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (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 22:52:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 22:52:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 22:52:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 22:52:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 22:52:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 22:52:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 22:52:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 22:52:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 22:52:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-26 22:52:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-26 22:52:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 22:52:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 22:52:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 22:52:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 22:52:13,975 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 22:52:14,500 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 22:52:14,501 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 22:52:14,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 10:52:14 BoogieIcfgContainer [2021-01-26 22:52:14,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 22:52:14,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 22:52:14,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 22:52:14,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 22:52:14,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 10:52:13" (1/3) ... [2021-01-26 22:52:14,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381a96a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 10:52:14, skipping insertion in model container [2021-01-26 22:52:14,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:52:13" (2/3) ... [2021-01-26 22:52:14,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381a96a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 10:52:14, skipping insertion in model container [2021-01-26 22:52:14,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 10:52:14" (3/3) ... [2021-01-26 22:52:14,520 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc.i [2021-01-26 22:52:14,538 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 22:52:14,538 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 22:52:14,543 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 22:52:14,544 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 22:52:14,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,605 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,605 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,608 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,608 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,609 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,609 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,613 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,613 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,615 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,637 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,640 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,640 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:52:14,644 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 22:52:14,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 22:52:14,687 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 22:52:14,687 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 22:52:14,687 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 22:52:14,687 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 22:52:14,688 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 22:52:14,688 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 22:52:14,688 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 22:52:14,688 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 58 and size of Sequence is : 59[2021-01-26 22:52:14,762 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 22:52:14,763 INFO L165 SleepSetCegar]: [89#[ULTIMATE.startENTRY]don't care, 91#[L-1]don't care, 93#[L-1-1]don't care, 95#[L17]don't care, 97#[L17-1]don't care, 99#[L17-2]don't care, 101#[L17-3]don't care, 103#[L17-4]don't care, 105#[L711]don't care, 107#[L713]don't care, 109#[L714]don't care, 111#[L715]don't care, 113#[L717]don't care, 115#[L719]don't care, 117#[L-1-2]don't care, 119#[L-1-3]don't care, 121#[L773]don't care, 123#[L773-1]don't care, 125#[L774]don't care, 127#[P0ENTRY, L774-1]don't care, 131#[L775, P0ENTRY]don't care, 133#[L775, L722]don't care, 137#[L775, L724]don't care, 141#[L775, L727]don't care, 145#[L775, L732]don't care, 149#[L775, P0FINAL]don't care, 153#[L775, P0EXIT]don't care, 157#[L775-1, P0EXIT]don't care, 159#[L776, P0EXIT]don't care, 161#[L776-1, P1ENTRY, P0EXIT]don't care, 163#[L737, L776-1, P0EXIT]don't care, 167#[L776-1, L739, P0EXIT]don't care, 171#[L776-1, L742, P0EXIT]don't care, 175#[L776-1, P0EXIT, L747]don't care, 181#[P1FINAL, L776-1, P0EXIT]don't care, 183#[L776-1, P1EXIT, P0EXIT]don't care, 187#[P1EXIT, L777, P0EXIT]don't care, 189#[L777-1, P1EXIT, P0EXIT]don't care, 191#[P1EXIT, L778, P0EXIT]don't care, 193#[P2ENTRY, L778-1, P1EXIT, P0EXIT]don't care, 195#[P2ENTRY, P1EXIT, L779, P0EXIT]don't care, 199#[P1EXIT, L779, P0EXIT, L752]don't care, 203#[L754, P1EXIT, L779, P0EXIT]don't care, 207#[L759, P1EXIT, L779, P0EXIT]don't care, 211#[P1EXIT, L779, P2FINAL, P0EXIT]don't care, 215#[P1EXIT, L779, P0EXIT, P2EXIT]don't care, 219#[L781, P1EXIT, P0EXIT, P2EXIT]don't care, 221#[L782, P1EXIT, P0EXIT, P2EXIT]don't care, 223#[P1EXIT, L2, P0EXIT, P2EXIT]don't care, 225#[L3, P1EXIT, P0EXIT, P2EXIT]don't care, 229#[L2-1, P1EXIT, P0EXIT, P2EXIT]don't care, 231#[P1EXIT, L787, P0EXIT, P2EXIT]don't care, 233#[P1EXIT, L788, P0EXIT, P2EXIT]don't care, 235#[P1EXIT, L18, P0EXIT, P2EXIT]don't care, 237#[L18-1, P1EXIT, P0EXIT, P2EXIT]don't care, 239#[L18-2, P1EXIT, P0EXIT, P2EXIT]don't care, 243#[L17-5, P1EXIT, P0EXIT, P2EXIT]don't care, 245#[L17-7, P1EXIT, P0EXIT, P2EXIT]don't care, 251#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT]don't care] [2021-01-26 22:52:14,763 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:52:14,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:52:14,770 INFO L82 PathProgramCache]: Analyzing trace with hash -373404933, now seen corresponding path program 1 times [2021-01-26 22:52:14,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:52:14,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975164544] [2021-01-26 22:52:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:52:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:52:15,336 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 22:52:15,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975164544] [2021-01-26 22:52:15,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:52:15,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:52:15,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8432363] [2021-01-26 22:52:15,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:52:15,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:52:15,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:52:15,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:52:15,369 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:52:15,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-26 22:52:15,537 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:15,647 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:15,706 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:15,889 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 58 and size of Sequence is : 59[2021-01-26 22:52:16,765 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 22:52:16,766 INFO L165 SleepSetCegar]: [259#[ULTIMATE.startENTRY]true, 260#[L-1]true, 261#[L-1-1]true, 262#[L17]true, 263#[L17-1]true, 264#[L17-2]true, 265#[L17-3]true, 266#[L17-4]true, 267#[L711]true, 268#[L713](= ~__unbuffered_p0_EAX~0 0), 269#[L714](= ~__unbuffered_p0_EAX~0 0), 270#[L715](= ~__unbuffered_p0_EAX~0 0), 271#[L717](= ~__unbuffered_p0_EAX~0 0), 272#[L719](= ~__unbuffered_p0_EAX~0 0), 275#[L-1-2](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 276#[L-1-3](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 277#[L773](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 278#[L773-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 279#[L774](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 280#[P0ENTRY, L774-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 282#[L775, P0ENTRY](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 283#[L775, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 286#[L775-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15361#[L722, L776](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15364#[L776-1, P1ENTRY, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15369#[L737, L776-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15375#[L776-1, L722, L739](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15381#[L776-1, L742, L722](= ~__unbuffered_p0_EAX~0 0), 15387#[L776-1, L724, L742]true, 15391#[L776-1, L727, L742]true, 15393#[L776-1, L732, L742]true, 15396#[L776-1, P0FINAL, L742]true, 15399#[L776-1, L742, P0EXIT]true, 15402#[L776-1, P0EXIT, L747]true, 15405#[P1FINAL, L776-1, P0EXIT]true, 15406#[L776-1, P1EXIT, P0EXIT]true, 15408#[P1EXIT, L777, P0EXIT]true, 15409#[L777-1, P1EXIT, P0EXIT]true, 15410#[P1EXIT, L778, P0EXIT]true, 15411#[P2ENTRY, L778-1, P1EXIT, P0EXIT]true, 15412#[P2ENTRY, P1EXIT, L779, P0EXIT]true, 15414#[P1EXIT, L779, P0EXIT, L752]true, 15416#[L754, P1EXIT, L779, P0EXIT]true, 15418#[L759, P1EXIT, L779, P0EXIT]true, 15420#[P1EXIT, L779, P2FINAL, P0EXIT]true, 15422#[P1EXIT, L779, P0EXIT, P2EXIT]true, 15424#[L781, P1EXIT, P0EXIT, P2EXIT]true, 15425#[L782, P1EXIT, P0EXIT, P2EXIT]true, 15426#[P1EXIT, L2, P0EXIT, P2EXIT]true, 15427#[L3, P1EXIT, P0EXIT, P2EXIT]true, 15429#[L2-1, P1EXIT, P0EXIT, P2EXIT]true, 15430#[P1EXIT, L787, P0EXIT, P2EXIT]true, 15431#[P1EXIT, L788, P0EXIT, P2EXIT]true, 15432#[P1EXIT, L18, P0EXIT, P2EXIT]true, 15433#[L18-1, P1EXIT, P0EXIT, P2EXIT]true, 15434#[L18-2, P1EXIT, P0EXIT, P2EXIT]true, 15436#[L17-5, P1EXIT, P0EXIT, P2EXIT]true, 15437#[L17-7, P1EXIT, P0EXIT, P2EXIT]true, 15440#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT]true] [2021-01-26 22:52:16,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 22:52:16,767 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:52:16,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:52:16,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1044415025, now seen corresponding path program 2 times [2021-01-26 22:52:16,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:52:16,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417322889] [2021-01-26 22:52:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:52:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:52:16,950 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 22:52:16,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417322889] [2021-01-26 22:52:16,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:52:16,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:52:16,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777169343] [2021-01-26 22:52:16,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:52:16,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:52:16,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:52:16,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:52:16,955 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:52:16,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-26 22:52:18,850 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 58 and size of Sequence is : 59[2021-01-26 22:52:18,873 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 22:52:18,874 INFO L165 SleepSetCegar]: [15449#[ULTIMATE.startENTRY]true, 15451#[L-1]true, 15453#[L-1-1]true, 15455#[L17]true, 15457#[L17-1]true, 15459#[L17-2]true, 15461#[L17-3]true, 15463#[L17-4]true, 15465#[L711]true, 15467#[L713](= ~__unbuffered_p0_EAX~0 0), 15469#[L714](= ~__unbuffered_p0_EAX~0 0), 15471#[L715](= ~__unbuffered_p0_EAX~0 0), 15473#[L717](= ~__unbuffered_p0_EAX~0 0), 15475#[L719](= ~__unbuffered_p0_EAX~0 0), 15477#[L-1-2](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15479#[L-1-3](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15481#[L773](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15483#[L773-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15485#[L774](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15487#[P0ENTRY, L774-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15491#[L775, P0ENTRY](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15493#[L775, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 15499#[L775-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 30979#[L722, L776](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 30981#[L776-1, P1ENTRY, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 30983#[L737, L776-1, L722](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 30987#[L776-1, L722, L739](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 30991#[L776-1, L742, L722](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 30999#[L776-1, L722, L747](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39494#[P1FINAL, L776-1, L722](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39502#[L776-1, L722, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39509#[L722, P1EXIT, L777](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39514#[L777-1, L722, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39519#[L722, P1EXIT, L778](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39524#[P2ENTRY, L778-1, L722, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39532#[P2ENTRY, L722, P1EXIT, L779](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39542#[L722, P1EXIT, L779, L752](and (= ~y~0 1) (= ~__unbuffered_p0_EAX~0 0)), 39552#[L754, L722, P1EXIT, L779](= ~__unbuffered_p0_EAX~0 0), 39562#[L724, L754, P1EXIT, L779]true, 39568#[L754, L727, P1EXIT, L779]true, 39574#[L754, L732, P1EXIT, L779]true, 39580#[L754, P0FINAL, P1EXIT, L779]true, 39586#[L754, P1EXIT, L779, P0EXIT]true, 39592#[L759, P1EXIT, L779, P0EXIT]true, 39596#[P1EXIT, L779, P2FINAL, P0EXIT]true, 39600#[P1EXIT, L779, P0EXIT, P2EXIT]true, 39604#[L781, P1EXIT, P0EXIT, P2EXIT]true, 39606#[L782, P1EXIT, P0EXIT, P2EXIT]true, 39608#[P1EXIT, L2, P0EXIT, P2EXIT]true, 39610#[L3, P1EXIT, P0EXIT, P2EXIT]true, 39614#[L2-1, P1EXIT, P0EXIT, P2EXIT]true, 39616#[P1EXIT, L787, P0EXIT, P2EXIT]true, 39618#[P1EXIT, L788, P0EXIT, P2EXIT]true, 39620#[P1EXIT, L18, P0EXIT, P2EXIT]true, 39622#[L18-1, P1EXIT, P0EXIT, P2EXIT]true, 39624#[L18-2, P1EXIT, P0EXIT, P2EXIT]true, 39628#[L17-5, P1EXIT, P0EXIT, P2EXIT]true, 39630#[L17-7, P1EXIT, P0EXIT, P2EXIT]true, 39636#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT]true] [2021-01-26 22:52:18,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 22:52:18,875 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:52:18,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:52:18,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1926800359, now seen corresponding path program 3 times [2021-01-26 22:52:18,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:52:18,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895119713] [2021-01-26 22:52:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:52:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:52:19,132 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 22:52:19,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895119713] [2021-01-26 22:52:19,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:52:19,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:52:19,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657101464] [2021-01-26 22:52:19,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:52:19,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:52:19,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:52:19,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:52:19,140 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:52:19,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-26 22:52:20,146 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:21,669 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:22,072 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 58 and size of Sequence is : 59[2021-01-26 22:52:22,796 INFO L164 SleepSetCegar]: Size of mCounterexample is: 59 [2021-01-26 22:52:22,797 INFO L165 SleepSetCegar]: [39645#[ULTIMATE.startENTRY]true, 39647#[L-1]true, 39649#[L-1-1]true, 39651#[L17]true, 39653#[L17-1]true, 39655#[L17-2]true, 39657#[L17-3]true, 39659#[L17-4]true, 39661#[L711]true, 39663#[L713](= ~__unbuffered_p0_EAX~0 0), 39665#[L714](and (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39667#[L715](and (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39669#[L717](and (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39673#[L719](and (= ~x~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39675#[L-1-2](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39677#[L-1-3](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39679#[L773](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39681#[L773-1](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39683#[L774](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39685#[P0ENTRY, L774-1](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39689#[L775, P0ENTRY](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39691#[L775, L722](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 39697#[L775-1, L722](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 65599#[L722, L776](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 65601#[L776-1, P1ENTRY, L722](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 65603#[L737, L776-1, L722](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 65609#[L737, L722, L777](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 105999#[L777-1, L737, L722](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106006#[L737, L722, L778](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106013#[P2ENTRY, L737, L778-1, L722](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106025#[P2ENTRY, L737, L722, L779](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106039#[L737, L722, L779, L752](and (= ~x~0 0) (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106053#[L737, L754, L722, L779](and (= ~x~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106070#[L737, L724, L754, L779](and (= ~x~0 0) (= ~__unbuffered_p1_EAX~0 0)), 106085#[L737, L754, L727, L779](= ~__unbuffered_p1_EAX~0 0), 106100#[L737, L754, L732, L779](= ~__unbuffered_p1_EAX~0 0), 106117#[L737, L754, P0FINAL, L779](= ~__unbuffered_p1_EAX~0 0), 106134#[L737, L754, L779, P0EXIT](= ~__unbuffered_p1_EAX~0 0), 106148#[L754, L739, L779, P0EXIT]true, 106156#[L759, L739, L779, P0EXIT]true, 106862#[L739, L779, P2FINAL, P0EXIT]true, 106866#[L739, L779, P0EXIT, P2EXIT]true, 106870#[L739, L781, P0EXIT, P2EXIT]true, 106872#[L782, L739, P0EXIT, P2EXIT]true, 106874#[L739, L2, P0EXIT, P2EXIT]true, 106876#[L3, L739, P0EXIT, P2EXIT]true, 106880#[L2-1, L739, P0EXIT, P2EXIT]true, 106882#[L739, L787, P0EXIT, P2EXIT]true, 106884#[L742, L787, P0EXIT, P2EXIT](= ~y~0 1), 106890#[L787, P0EXIT, L747, P2EXIT](= ~y~0 1), 106900#[P1FINAL, L787, P0EXIT, P2EXIT](= ~y~0 1), 106906#[P1EXIT, L787, P0EXIT, P2EXIT](= ~y~0 1), 106912#[P1EXIT, L788, P0EXIT, P2EXIT](= ~y~0 1), 106916#[P1EXIT, L18, P0EXIT, P2EXIT](= ~y~0 1), 106920#[L18-1, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 106926#[L18-2, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 106932#[L17-5, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 106936#[L17-7, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1), 106944#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT, P2EXIT](= ~y~0 1)] [2021-01-26 22:52:22,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 22:52:22,798 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:52:22,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:52:22,799 INFO L82 PathProgramCache]: Analyzing trace with hash 301090395, now seen corresponding path program 4 times [2021-01-26 22:52:22,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:52:22,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292338696] [2021-01-26 22:52:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:52:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:52:23,008 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 22:52:23,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292338696] [2021-01-26 22:52:23,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:52:23,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 22:52:23,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172906915] [2021-01-26 22:52:23,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 22:52:23,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:52:23,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 22:52:23,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 22:52:23,011 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:52:23,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2021-01-26 22:52:23,083 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,347 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,367 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,384 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,735 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,750 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,794 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:23,827 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:52:25,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 22:52:25,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 10:52:25 BasicIcfg [2021-01-26 22:52:25,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 22:52:25,052 INFO L168 Benchmark]: Toolchain (without parser) took 11938.57 ms. Allocated memory was 302.0 MB in the beginning and 702.5 MB in the end (delta: 400.6 MB). Free memory was 273.4 MB in the beginning and 343.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 330.2 MB. Max. memory is 16.0 GB. [2021-01-26 22:52:25,053 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 272.5 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 22:52:25,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 264.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-01-26 22:52:25,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.18 ms. Allocated memory is still 302.0 MB. Free memory was 264.1 MB in the beginning and 262.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:52:25,056 INFO L168 Benchmark]: Boogie Preprocessor took 40.68 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 260.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:52:25,057 INFO L168 Benchmark]: RCFGBuilder took 639.02 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 236.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:52:25,058 INFO L168 Benchmark]: TraceAbstraction took 10537.52 ms. Allocated memory was 302.0 MB in the beginning and 702.5 MB in the end (delta: 400.6 MB). Free memory was 235.8 MB in the beginning and 343.4 MB in the end (delta: -107.6 MB). Peak memory consumption was 294.0 MB. Max. memory is 16.0 GB. [2021-01-26 22:52:25,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 272.5 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 647.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 264.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.18 ms. Allocated memory is still 302.0 MB. Free memory was 264.1 MB in the beginning and 262.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.68 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 260.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 639.02 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 236.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10537.52 ms. Allocated memory was 302.0 MB in the beginning and 702.5 MB in the end (delta: 400.6 MB). Free memory was 235.8 MB in the beginning and 343.4 MB in the end (delta: -107.6 MB). Peak memory consumption was 294.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: 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 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 4, 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, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 35226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...