/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:30:11,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:30:11,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:30:11,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:30:11,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:30:11,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:30:11,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:30:11,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:30:11,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:30:11,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:30:11,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:30:11,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:30:11,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:30:11,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:30:11,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:30:11,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:30:11,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:30:11,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:30:11,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:30:11,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:30:11,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:30:11,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:30:11,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:30:11,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:30:11,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:30:11,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:30:11,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:30:11,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:30:11,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:30:11,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:30:11,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:30:11,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:30:11,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:30:11,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:30:11,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:30:11,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:30:11,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:30:11,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:30:11,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:30:11,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:30:11,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:30:11,547 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-FA-NoLbe-Delay.epf [2021-06-16 16:30:11,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:30:11,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:30:11,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:30:11,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:30:11,595 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:30:11,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:30:11,595 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:30:11,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:30:11,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:30:11,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:30:11,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:30:11,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:30:11,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:30:11,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:30:11,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:30:11,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:30:11,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:30:11,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:30:11,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:30:11,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:30:11,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:30:11,861 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:30:11,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c [2021-06-16 16:30:11,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30674d01/b6446bad7ba74006ad186223b856eae4/FLAG79cbf2b9b [2021-06-16 16:30:12,320 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:30:12,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c [2021-06-16 16:30:12,320 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:30:12,320 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:30:12,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30674d01/b6446bad7ba74006ad186223b856eae4/FLAG79cbf2b9b [2021-06-16 16:30:12,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30674d01/b6446bad7ba74006ad186223b856eae4 [2021-06-16 16:30:12,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:30:12,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:30:12,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:30:12,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:30:12,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:30:12,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:30:12" (1/1) ... [2021-06-16 16:30:12,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5687f02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:12, skipping insertion in model container [2021-06-16 16:30:12,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:30:12" (1/1) ... [2021-06-16 16:30:12,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:30:12,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:30:13,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:30:13,074 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:30:13,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:30:13,111 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:30:13,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13 WrapperNode [2021-06-16 16:30:13,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:30:13,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:30:13,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:30:13,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:30:13,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:30:13,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:30:13,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:30:13,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:30:13,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (1/1) ... [2021-06-16 16:30:13,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:30:13,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:30:13,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:30:13,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:30:13,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (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 [2021-06-16 16:30:13,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-16 16:30:13,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-06-16 16:30:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:30:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:30:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:30:13,250 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:30:13,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:30:13,472 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 16:30:13,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:30:13 BoogieIcfgContainer [2021-06-16 16:30:13,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:30:13,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:30:13,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:30:13,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:30:13,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:30:12" (1/3) ... [2021-06-16 16:30:13,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1412f83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:30:13, skipping insertion in model container [2021-06-16 16:30:13,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:13" (2/3) ... [2021-06-16 16:30:13,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1412f83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:30:13, skipping insertion in model container [2021-06-16 16:30:13,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:30:13" (3/3) ... [2021-06-16 16:30:13,490 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitSafe.c [2021-06-16 16:30:13,493 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:30:13,494 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:30:13,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 16:30:13,494 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:30:13,515 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,516 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,516 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,516 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,516 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,516 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,517 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,518 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,519 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,519 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,519 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,519 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,519 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,520 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,520 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,520 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,520 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,520 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,520 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,521 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,521 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,521 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,521 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,521 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,521 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,522 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,522 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,522 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,526 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:13,538 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 16:30:13,551 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 16:30:13,571 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:30:13,571 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:30:13,571 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:30:13,571 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:30:13,571 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:30:13,571 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:30:13,571 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:30:13,572 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:30:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 81 states have internal predecessors, (82), 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) [2021-06-16 16:30:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-16 16:30:13,656 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:30:13,656 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:30:13,657 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:30:13,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:30:13,661 INFO L82 PathProgramCache]: Analyzing trace with hash 445838455, now seen corresponding path program 1 times [2021-06-16 16:30:13,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:30:13,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505525559] [2021-06-16 16:30:13,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:30:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:30:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:30:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:30:13,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 16:30:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:30:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:30:13,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 16:30:13,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:13,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:13,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:13,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-16 16:30:13,915 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-06-16 16:30:13,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-16 16:30:13,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:13,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:13,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:13,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-16 16:30:13,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:30:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:13,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:30:14,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:14,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:30:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:30:14,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:30:14,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505525559] [2021-06-16 16:30:14,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505525559] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:30:14,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:30:14,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-16 16:30:14,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152628114] [2021-06-16 16:30:14,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 16:30:14,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:30:14,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 16:30:14,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-06-16 16:30:14,040 INFO L87 Difference]: Start difference. First operand has 82 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 81 states have internal predecessors, (82), 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) Second operand has 18 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 18 states have internal predecessors, (35), 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) [2021-06-16 16:30:14,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:30:14,683 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2021-06-16 16:30:14,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 16:30:14,684 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 18 states have internal predecessors, (35), 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) Word has length 35 [2021-06-16 16:30:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:30:14,687 INFO L225 Difference]: With dead ends: 81 [2021-06-16 16:30:14,687 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 16:30:14,689 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 602.2ms TimeCoverageRelationStatistics Valid=277, Invalid=1283, Unknown=0, NotChecked=0, Total=1560 [2021-06-16 16:30:14,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 16:30:14,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 16:30:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-16 16:30:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 16:30:14,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2021-06-16 16:30:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:30:14,702 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 16:30:14,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 18 states have internal predecessors, (35), 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) [2021-06-16 16:30:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 16:30:14,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:30:14,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:30:14,704 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:30:14,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:30:14 BasicIcfg [2021-06-16 16:30:14,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:30:14,705 INFO L168 Benchmark]: Toolchain (without parser) took 1816.39 ms. Allocated memory is still 251.7 MB. Free memory was 214.0 MB in the beginning and 142.4 MB in the end (delta: 71.6 MB). Peak memory consumption was 72.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:14,706 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 251.7 MB. Free memory is still 232.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:30:14,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.83 ms. Allocated memory is still 251.7 MB. Free memory was 213.6 MB in the beginning and 234.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:14,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 251.7 MB. Free memory was 234.1 MB in the beginning and 232.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:14,707 INFO L168 Benchmark]: Boogie Preprocessor took 11.40 ms. Allocated memory is still 251.7 MB. Free memory was 232.5 MB in the beginning and 231.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:14,707 INFO L168 Benchmark]: RCFGBuilder took 304.46 ms. Allocated memory is still 251.7 MB. Free memory was 231.5 MB in the beginning and 213.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:14,707 INFO L168 Benchmark]: TraceAbstraction took 1218.53 ms. Allocated memory is still 251.7 MB. Free memory was 213.1 MB in the beginning and 142.4 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.2 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:14,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 251.7 MB. Free memory is still 232.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 205.83 ms. Allocated memory is still 251.7 MB. Free memory was 213.6 MB in the beginning and 234.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 251.7 MB. Free memory was 234.1 MB in the beginning and 232.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.40 ms. Allocated memory is still 251.7 MB. Free memory was 232.5 MB in the beginning and 231.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 304.46 ms. Allocated memory is still 251.7 MB. Free memory was 231.5 MB in the beginning and 213.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1218.53 ms. Allocated memory is still 251.7 MB. Free memory was 213.1 MB in the beginning and 142.4 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 36, unknown conditional: 0, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 1 - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 58 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1133.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.0ms, AutomataDifference: 657.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 75.7ms, PartialOrderReductionTime: 63.8ms, HoareTripleCheckerStatistics: 30 SDtfs, 134 SDslu, 328 SDs, 0 SdLazy, 337 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 149.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 602.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.9ms SsaConstructionTime, 39.4ms SatisfiabilityAnalysisTime, 272.3ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...