/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-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 07:03:25,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 07:03:25,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 07:03:25,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 07:03:25,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 07:03:25,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 07:03:25,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 07:03:25,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 07:03:25,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 07:03:25,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 07:03:25,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 07:03:25,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 07:03:25,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 07:03:25,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 07:03:25,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 07:03:25,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 07:03:25,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-02 07:03:25,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 07:03:25,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 07:03:25,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 07:03:25,366 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-POR-DelaySleepPersistent-NoLbe.epf [2021-06-02 07:03:25,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 07:03:25,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 07:03:25,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 07:03:25,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 07:03:25,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 07:03:25,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 07:03:25,393 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 07:03:25,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 07:03:25,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 07:03:25,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 07:03:25,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 07:03:25,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 07:03:25,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 07:03:25,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 07:03:25,396 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 07:03:25,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 07:03:25,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 07:03:25,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 07:03:25,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 07:03:25,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 07:03:25,643 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 07:03:25,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-06-02 07:03:25,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db3193bfc/4aaf26bd77584addbdcea96c6196bd63/FLAGbd0199f3c [2021-06-02 07:03:26,019 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 07:03:26,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-06-02 07:03:26,020 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-02 07:03:26,020 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-02 07:03:26,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db3193bfc/4aaf26bd77584addbdcea96c6196bd63/FLAGbd0199f3c [2021-06-02 07:03:26,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db3193bfc/4aaf26bd77584addbdcea96c6196bd63 [2021-06-02 07:03:26,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 07:03:26,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 07:03:26,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 07:03:26,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 07:03:26,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 07:03:26,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c38ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26, skipping insertion in model container [2021-06-02 07:03:26,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 07:03:26,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 07:03:26,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 07:03:26,212 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 07:03:26,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 07:03:26,229 INFO L208 MainTranslator]: Completed translation [2021-06-02 07:03:26,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26 WrapperNode [2021-06-02 07:03:26,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 07:03:26,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 07:03:26,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 07:03:26,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 07:03:26,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 07:03:26,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 07:03:26,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 07:03:26,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 07:03:26,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (1/1) ... [2021-06-02 07:03:26,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 07:03:26,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 07:03:26,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 07:03:26,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 07:03:26,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (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 [2021-06-02 07:03:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 07:03:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-06-02 07:03:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-06-02 07:03:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 07:03:26,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 07:03:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-02 07:03:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 07:03:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 07:03:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-06-02 07:03:26,344 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-06-02 07:03:26,345 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 07:03:26,537 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 07:03:26,537 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-02 07:03:26,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:03:26 BoogieIcfgContainer [2021-06-02 07:03:26,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 07:03:26,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 07:03:26,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 07:03:26,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 07:03:26,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 07:03:26" (1/3) ... [2021-06-02 07:03:26,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de054d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:03:26, skipping insertion in model container [2021-06-02 07:03:26,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:03:26" (2/3) ... [2021-06-02 07:03:26,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de054d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:03:26, skipping insertion in model container [2021-06-02 07:03:26,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:03:26" (3/3) ... [2021-06-02 07:03:26,543 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2021-06-02 07:03:26,547 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 07:03:26,547 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 07:03:26,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 07:03:26,547 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,562 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,563 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,564 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,565 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,566 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,566 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,566 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,566 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,566 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,566 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,567 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,568 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,568 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,568 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,568 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,571 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,571 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,571 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,571 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,571 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:03:26,576 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-02 07:03:26,589 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-02 07:03:26,628 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:03:26,628 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:03:26,628 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:03:26,628 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:03:26,628 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:03:26,628 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:03:26,628 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:03:26,628 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 07:03:26,911 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 07:03:26,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:03:26 BasicIcfg [2021-06-02 07:03:26,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 07:03:26,914 INFO L168 Benchmark]: Toolchain (without parser) took 854.11 ms. Allocated memory is still 379.6 MB. Free memory was 342.2 MB in the beginning and 298.5 MB in the end (delta: 43.7 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.0 GB. [2021-06-02 07:03:26,914 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 379.6 MB. Free memory is still 360.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:03:26,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.08 ms. Allocated memory is still 379.6 MB. Free memory was 342.0 MB in the beginning and 358.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:03:26,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.11 ms. Allocated memory is still 379.6 MB. Free memory was 358.1 MB in the beginning and 362.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:03:26,915 INFO L168 Benchmark]: Boogie Preprocessor took 25.69 ms. Allocated memory is still 379.6 MB. Free memory was 362.4 MB in the beginning and 361.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:03:26,915 INFO L168 Benchmark]: RCFGBuilder took 243.34 ms. Allocated memory is still 379.6 MB. Free memory was 361.4 MB in the beginning and 344.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-02 07:03:26,916 INFO L168 Benchmark]: TraceAbstraction took 373.21 ms. Allocated memory is still 379.6 MB. Free memory was 343.6 MB in the beginning and 298.5 MB in the end (delta: 45.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:03:26,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 379.6 MB. Free memory is still 360.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 169.08 ms. Allocated memory is still 379.6 MB. Free memory was 342.0 MB in the beginning and 358.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.11 ms. Allocated memory is still 379.6 MB. Free memory was 358.1 MB in the beginning and 362.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.69 ms. Allocated memory is still 379.6 MB. Free memory was 362.4 MB in the beginning and 361.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 243.34 ms. Allocated memory is still 379.6 MB. Free memory was 361.4 MB in the beginning and 344.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 373.21 ms. Allocated memory is still 379.6 MB. Free memory was 343.6 MB in the beginning and 298.5 MB in the end (delta: 45.1 MB). Peak memory consumption was 46.1 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: 106, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 106, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1866, positive: 1824, positive conditional: 0, positive unconditional: 1824, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 778, positive: 757, positive conditional: 0, positive unconditional: 757, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 778, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1866, positive: 1067, positive conditional: 0, positive unconditional: 1067, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 778, unknown conditional: 0, unknown unconditional: 778] , Statistics on independence cache: Total cache size (in pairs): 778, Positive cache size: 757, Positive conditional cache size: 0, Positive unconditional cache size: 757, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 225, Number of persistent set computation: 216, Number of trivial persistent sets: 207, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1866, positive: 1824, positive conditional: 0, positive unconditional: 1824, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 778, positive: 757, positive conditional: 0, positive unconditional: 757, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 778, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1866, positive: 1067, positive conditional: 0, positive unconditional: 1067, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 778, unknown conditional: 0, unknown unconditional: 778] , Statistics on independence cache: Total cache size (in pairs): 778, Positive cache size: 757, Positive conditional cache size: 0, Positive unconditional cache size: 757, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - PositiveResult [Line: 37]: 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 5 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 311.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.0ms, PartialOrderReductionTime: 270.5ms, 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...