/usr/bin/java -Xmx16000000000 -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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 07:19:20,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 07:19:20,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 07:19:20,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 07:19:20,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 07:19:20,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 07:19:20,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 07:19:20,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 07:19:20,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 07:19:20,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 07:19:20,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 07:19:20,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 07:19:20,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 07:19:20,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 07:19:20,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 07:19:20,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 07:19:20,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 07:19:20,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 07:19:20,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 07:19:20,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 07:19:20,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 07:19:20,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 07:19:20,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 07:19:20,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 07:19:20,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 07:19:20,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 07:19:20,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 07:19:20,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 07:19:20,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 07:19:20,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 07:19:20,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 07:19:20,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 07:19:20,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 07:19:20,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 07:19:20,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 07:19:20,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 07:19:20,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 07:19:20,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 07:19:20,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 07:19:20,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 07:19:20,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 07:19:20,394 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 [2021-03-12 07:19:20,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 07:19:20,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 07:19:20,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 07:19:20,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 07:19:20,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 07:19:20,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 07:19:20,423 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 07:19:20,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 07:19:20,424 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 07:19:20,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 07:19:20,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 07:19:20,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 07:19:20,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 07:19:20,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 07:19:20,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 07:19:20,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 07:19:20,427 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 07:19:20,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 07:19:20,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 07:19:20,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 07:19:20,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 07:19:20,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 07:19:20,677 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 07:19:20,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-03-12 07:19:20,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c17444f1/704e84dd29e64dc1ba5a766e9bdf121d/FLAGdb59f78f6 [2021-03-12 07:19:21,033 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 07:19:21,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-03-12 07:19:21,034 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 07:19:21,034 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 07:19:21,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c17444f1/704e84dd29e64dc1ba5a766e9bdf121d/FLAGdb59f78f6 [2021-03-12 07:19:21,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c17444f1/704e84dd29e64dc1ba5a766e9bdf121d [2021-03-12 07:19:21,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 07:19:21,486 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 07:19:21,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 07:19:21,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 07:19:21,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 07:19:21,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54561f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21, skipping insertion in model container [2021-03-12 07:19:21,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 07:19:21,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 07:19:21,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 07:19:21,599 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 07:19:21,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 07:19:21,614 INFO L208 MainTranslator]: Completed translation [2021-03-12 07:19:21,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21 WrapperNode [2021-03-12 07:19:21,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 07:19:21,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 07:19:21,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 07:19:21,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 07:19:21,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 07:19:21,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 07:19:21,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 07:19:21,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 07:19:21,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (1/1) ... [2021-03-12 07:19:21,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 07:19:21,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 07:19:21,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 07:19:21,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 07:19:21,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (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 [2021-03-12 07:19:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 07:19:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 07:19:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 07:19:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 07:19:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-03-12 07:19:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-03-12 07:19:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 07:19:21,722 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 07:19:21,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 07:19:21,852 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-12 07:19:21,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:19:21 BoogieIcfgContainer [2021-03-12 07:19:21,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 07:19:21,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 07:19:21,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 07:19:21,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 07:19:21,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 07:19:21" (1/3) ... [2021-03-12 07:19:21,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783a60b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:19:21, skipping insertion in model container [2021-03-12 07:19:21,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 07:19:21" (2/3) ... [2021-03-12 07:19:21,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783a60b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:19:21, skipping insertion in model container [2021-03-12 07:19:21,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:19:21" (3/3) ... [2021-03-12 07:19:21,857 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-03-12 07:19:21,861 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 07:19:21,861 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 07:19:21,863 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-12 07:19:21,863 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 07:19:21,895 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,895 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,895 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,897 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,897 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,898 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,898 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,898 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,898 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,899 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:19:21,901 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 07:19:21,911 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 07:19:21,937 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 07:19:21,937 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 07:19:21,937 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 07:19:21,937 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 07:19:21,938 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 07:19:21,938 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 07:19:21,938 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 07:19:21,938 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 07:19:21,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 07:19:21 BasicIcfg [2021-03-12 07:19:21,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 07:19:21,978 INFO L168 Benchmark]: Toolchain (without parser) took 494.41 ms. Allocated memory is still 343.9 MB. Free memory was 308.8 MB in the beginning and 302.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-03-12 07:19:21,978 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 343.9 MB. Free memory was 325.3 MB in the beginning and 325.2 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 07:19:21,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.79 ms. Allocated memory is still 343.9 MB. Free memory was 308.1 MB in the beginning and 324.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-03-12 07:19:21,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.11 ms. Allocated memory is still 343.9 MB. Free memory was 324.9 MB in the beginning and 328.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 07:19:21,980 INFO L168 Benchmark]: Boogie Preprocessor took 15.89 ms. Allocated memory is still 343.9 MB. Free memory was 328.2 MB in the beginning and 327.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 07:19:21,981 INFO L168 Benchmark]: RCFGBuilder took 181.11 ms. Allocated memory is still 343.9 MB. Free memory was 327.2 MB in the beginning and 313.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-12 07:19:21,981 INFO L168 Benchmark]: TraceAbstraction took 122.99 ms. Allocated memory is still 343.9 MB. Free memory was 313.3 MB in the beginning and 302.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-12 07:19:21,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 343.9 MB. Free memory was 325.3 MB in the beginning and 325.2 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 127.79 ms. Allocated memory is still 343.9 MB. Free memory was 308.1 MB in the beginning and 324.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.11 ms. Allocated memory is still 343.9 MB. Free memory was 324.9 MB in the beginning and 328.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.89 ms. Allocated memory is still 343.9 MB. Free memory was 328.2 MB in the beginning and 327.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 181.11 ms. Allocated memory is still 343.9 MB. Free memory was 327.2 MB in the beginning and 313.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 122.99 ms. Allocated memory is still 343.9 MB. Free memory was 313.3 MB in the beginning and 302.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 40, unknown conditional: 0, unknown unconditional: 40] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.2ms, PartialOrderReductionTime: 24.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...