/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-PN-NoLbe-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 17:43:41,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 17:43:41,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 17:43:41,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 17:43:41,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 17:43:41,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 17:43:41,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 17:43:41,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 17:43:41,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 17:43:41,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 17:43:41,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 17:43:41,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 17:43:41,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 17:43:41,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 17:43:41,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 17:43:41,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 17:43:41,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 17:43:41,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 17:43:41,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 17:43:41,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 17:43:41,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 17:43:41,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 17:43:41,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 17:43:41,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 17:43:41,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 17:43:41,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 17:43:41,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 17:43:41,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 17:43:41,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 17:43:41,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 17:43:41,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 17:43:41,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 17:43:41,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 17:43:41,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 17:43:41,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 17:43:41,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 17:43:41,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 17:43:41,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 17:43:41,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 17:43:41,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 17:43:41,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 17:43:41,563 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-PN-NoLbe-OGIterative-CovSimpl-Hitting.epf [2021-08-13 17:43:41,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 17:43:41,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 17:43:41,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 17:43:41,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 17:43:41,603 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 17:43:41,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 17:43:41,604 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 17:43:41,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 17:43:41,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 17:43:41,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 17:43:41,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 17:43:41,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 17:43:41,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 17:43:41,606 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 17:43:41,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 17:43:41,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 17:43:41,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 17:43:41,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 17:43:41,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 17:43:41,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 17:43:41,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 17:43:41,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 17:43:41,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 17:43:41,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 17:43:41,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 17:43:41,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 17:43:41,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 17:43:41,608 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 17:43:41,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 17:43:41,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 17:43:41,609 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 17:43:41,609 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 17:43:41,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 17:43:41,609 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 17:43:41,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 17:43:41,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 17:43:41,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 17:43:41,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 17:43:41,955 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 17:43:41,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-08-13 17:43:42,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66bcaec54/141bb9deba3d4105999fd8a699e32611/FLAGcbe908068 [2021-08-13 17:43:42,452 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 17:43:42,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-08-13 17:43:42,453 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 17:43:42,453 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 17:43:42,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66bcaec54/141bb9deba3d4105999fd8a699e32611/FLAGcbe908068 [2021-08-13 17:43:42,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66bcaec54/141bb9deba3d4105999fd8a699e32611 [2021-08-13 17:43:42,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 17:43:42,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 17:43:42,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 17:43:42,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 17:43:42,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 17:43:42,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:43:42" (1/1) ... [2021-08-13 17:43:42,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298d442a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:42, skipping insertion in model container [2021-08-13 17:43:42,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:43:42" (1/1) ... [2021-08-13 17:43:42,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 17:43:42,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 17:43:43,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:43:43,023 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 17:43:43,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:43:43,042 INFO L208 MainTranslator]: Completed translation [2021-08-13 17:43:43,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43 WrapperNode [2021-08-13 17:43:43,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 17:43:43,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 17:43:43,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 17:43:43,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 17:43:43,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 17:43:43,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 17:43:43,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 17:43:43,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 17:43:43,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (1/1) ... [2021-08-13 17:43:43,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 17:43:43,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 17:43:43,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 17:43:43,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 17:43:43,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (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 [2021-08-13 17:43:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 17:43:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 17:43:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 17:43:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 17:43:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-08-13 17:43:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-08-13 17:43:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 17:43:43,158 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 17:43:43,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 17:43:43,362 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 17:43:43,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:43:43 BoogieIcfgContainer [2021-08-13 17:43:43,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 17:43:43,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 17:43:43,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 17:43:43,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 17:43:43,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:43:42" (1/3) ... [2021-08-13 17:43:43,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9f0d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:43:43, skipping insertion in model container [2021-08-13 17:43:43,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:43:43" (2/3) ... [2021-08-13 17:43:43,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9f0d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:43:43, skipping insertion in model container [2021-08-13 17:43:43,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:43:43" (3/3) ... [2021-08-13 17:43:43,369 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-08-13 17:43:43,374 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 17:43:43,375 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-13 17:43:43,375 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 17:43:43,410 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,410 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,410 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,410 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,411 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,411 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,411 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,411 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,411 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,412 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,412 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,412 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,414 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,415 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,415 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,415 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,415 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:43:43,419 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 17:43:43,440 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-13 17:43:43,475 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 17:43:43,475 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 17:43:43,475 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 17:43:43,475 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 17:43:43,475 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 17:43:43,475 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 17:43:43,476 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 17:43:43,476 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 17:43:43,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 27 transitions, 59 flow [2021-08-13 17:43:43,520 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-08-13 17:43:43,520 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:43:43,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-08-13 17:43:43,522 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 27 transitions, 59 flow [2021-08-13 17:43:43,524 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-08-13 17:43:43,528 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-08-13 17:43:43,528 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:43:43,550 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 0 in 17671056ns [2021-08-13 17:43:43,557 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 11452350ns [2021-08-13 17:43:43,560 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 17:43:43,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 05:43:43 BasicIcfg [2021-08-13 17:43:43,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 17:43:43,569 INFO L168 Benchmark]: Toolchain (without parser) took 687.58 ms. Allocated memory is still 216.0 MB. Free memory was 179.9 MB in the beginning and 176.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2021-08-13 17:43:43,570 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 216.0 MB. Free memory is still 196.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 17:43:43,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.51 ms. Allocated memory is still 216.0 MB. Free memory was 179.8 MB in the beginning and 170.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 17:43:43,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.64 ms. Allocated memory is still 216.0 MB. Free memory was 170.9 MB in the beginning and 169.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 17:43:43,574 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 216.0 MB. Free memory was 169.6 MB in the beginning and 198.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2021-08-13 17:43:43,575 INFO L168 Benchmark]: RCFGBuilder took 273.27 ms. Allocated memory is still 216.0 MB. Free memory was 198.6 MB in the beginning and 186.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-13 17:43:43,576 INFO L168 Benchmark]: TraceAbstraction took 201.90 ms. Allocated memory is still 216.0 MB. Free memory was 186.0 MB in the beginning and 176.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-08-13 17:43:43,583 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 216.0 MB. Free memory is still 196.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 161.51 ms. Allocated memory is still 216.0 MB. Free memory was 179.8 MB in the beginning and 170.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.64 ms. Allocated memory is still 216.0 MB. Free memory was 170.9 MB in the beginning and 169.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.47 ms. Allocated memory is still 216.0 MB. Free memory was 169.6 MB in the beginning and 198.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 273.27 ms. Allocated memory is still 216.0 MB. Free memory was 198.6 MB in the beginning and 186.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 201.90 ms. Allocated memory is still 216.0 MB. Free memory was 186.0 MB in the beginning and 176.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 58.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.5ms, PartialOrderReductionTime: 0.0ms, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...