/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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:48:32,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:48:32,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:48:32,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 08:48:32,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 08:48:32,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 08:48:32,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 08:48:32,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 08:48:32,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 08:48:32,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 08:48:32,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 08:48:32,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 08:48:32,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 08:48:32,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 08:48:32,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 08:48:32,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 08:48:32,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 08:48:32,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 08:48:32,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 08:48:32,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 08:48:32,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 08:48:32,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 08:48:32,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 08:48:32,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 08:48:32,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 08:48:32,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 08:48:32,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 08:48:32,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 08:48:32,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 08:48:32,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 08:48:32,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 08:48:32,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 08:48:32,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 08:48:32,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 08:48:32,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 08:48:32,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 08:48:32,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 08:48:32,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 08:48:32,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:48:32,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:48:32,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:48:32,319 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-DelaySleep-NoLbe.epf [2021-06-06 08:48:32,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:48:32,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:48:32,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:48:32,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:48:32,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:48:32,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:48:32,357 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:48:32,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:48:32,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:48:32,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:48:32,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:48:32,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:48:32,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:48:32,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:48:32,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:48:32,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:48:32,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:48:32,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:48:32,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:48:32,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:48:32,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:48:32,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:48:32,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:48:32,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:48:32,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:48:32,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:48:32,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:48:32,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:48:32,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:48:32,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:48:32,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:48:32,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:48:32,362 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:48:32,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:48:32,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:48:32,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:48:32,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:48:32,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:48:32,719 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:48:32,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-06-06 08:48:32,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56288a152/2f60ca66621747df9c6e41e850406ba5/FLAGbd253a1f3 [2021-06-06 08:48:33,213 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:48:33,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-06-06 08:48:33,213 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:48:33,213 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:48:33,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56288a152/2f60ca66621747df9c6e41e850406ba5/FLAGbd253a1f3 [2021-06-06 08:48:33,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56288a152/2f60ca66621747df9c6e41e850406ba5 [2021-06-06 08:48:33,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:48:33,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:48:33,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:48:33,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:48:33,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:48:33,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ca6b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33, skipping insertion in model container [2021-06-06 08:48:33,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:48:33,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:48:33,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:48:33,820 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:48:33,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:48:33,851 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:48:33,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33 WrapperNode [2021-06-06 08:48:33,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:48:33,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:48:33,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:48:33,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:48:33,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:48:33,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:48:33,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:48:33,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:48:33,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (1/1) ... [2021-06-06 08:48:33,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:48:33,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:48:33,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:48:33,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:48:33,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (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 [2021-06-06 08:48:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:48:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-06-06 08:48:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-06-06 08:48:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:48:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:48:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 08:48:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:48:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:48:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-06-06 08:48:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-06-06 08:48:33,989 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 08:48:34,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:48:34,252 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 08:48:34,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:48:34 BoogieIcfgContainer [2021-06-06 08:48:34,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:48:34,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:48:34,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:48:34,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:48:34,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:48:33" (1/3) ... [2021-06-06 08:48:34,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8685c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:48:34, skipping insertion in model container [2021-06-06 08:48:34,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:33" (2/3) ... [2021-06-06 08:48:34,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8685c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:48:34, skipping insertion in model container [2021-06-06 08:48:34,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:48:34" (3/3) ... [2021-06-06 08:48:34,258 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2021-06-06 08:48:34,279 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:48:34,279 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:48:34,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:48:34,280 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:48:34,321 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,322 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,323 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,324 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,325 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,326 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,328 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,328 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,328 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,328 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,328 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,334 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,334 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,335 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,335 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,335 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:34,347 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 08:48:34,365 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 [2021-06-06 08:48:34,424 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:48:34,424 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:48:34,424 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:48:34,425 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:48:34,425 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:48:34,425 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:48:34,425 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:48:34,425 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 08:48:34,468 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:48:34,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:48:34,473 INFO L82 PathProgramCache]: Analyzing trace with hash -912199398, now seen corresponding path program 1 times [2021-06-06 08:48:34,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:48:34,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030511090] [2021-06-06 08:48:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:48:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:48:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:48:34,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:48:34,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030511090] [2021-06-06 08:48:34,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030511090] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:48:34,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:48:34,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 08:48:34,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936504742] [2021-06-06 08:48:34,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 08:48:34,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:48:34,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 08:48:34,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 08:48:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:34,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:48:34,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 08:48:34,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:34,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:48:34,818 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:48:34,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:48:34,818 INFO L82 PathProgramCache]: Analyzing trace with hash 711451031, now seen corresponding path program 1 times [2021-06-06 08:48:34,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:48:34,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848428759] [2021-06-06 08:48:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:48:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:48:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:48:34,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:48:34,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848428759] [2021-06-06 08:48:34,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848428759] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:48:34,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:48:34,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 08:48:34,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481287410] [2021-06-06 08:48:34,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 08:48:34,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:48:34,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 08:48:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 08:48:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:34,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:48:34,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 08:48:34,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:34,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 08:48:35,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 08:48:35,020 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:48:35,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:48:35,020 INFO L82 PathProgramCache]: Analyzing trace with hash -984295600, now seen corresponding path program 1 times [2021-06-06 08:48:35,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:48:35,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283825992] [2021-06-06 08:48:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:48:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:48:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:48:35,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:48:35,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283825992] [2021-06-06 08:48:35,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283825992] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:48:35,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:48:35,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-06 08:48:35,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489412509] [2021-06-06 08:48:35,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 08:48:35,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:48:35,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 08:48:35,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-06 08:48:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:35,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:48:35,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 08:48:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:35,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 08:48:35,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 08:48:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 08:48:35,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 08:48:35,833 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:48:35,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:48:35,834 INFO L82 PathProgramCache]: Analyzing trace with hash -169407337, now seen corresponding path program 2 times [2021-06-06 08:48:35,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:48:35,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888534277] [2021-06-06 08:48:35,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:48:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:48:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:48:35,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:48:35,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888534277] [2021-06-06 08:48:35,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888534277] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:48:35,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:48:35,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:48:35,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235736191] [2021-06-06 08:48:35,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 08:48:35,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:48:36,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 08:48:36,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-06 08:48:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:36,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:48:36,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 08:48:36,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 08:48:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 08:48:36,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:36,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:36,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 08:48:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 08:48:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 08:48:36,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 08:48:36,186 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:48:36,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:48:36 BasicIcfg [2021-06-06 08:48:36,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:48:36,189 INFO L168 Benchmark]: Toolchain (without parser) took 2558.97 ms. Allocated memory is still 339.7 MB. Free memory was 302.1 MB in the beginning and 127.6 MB in the end (delta: 174.5 MB). Peak memory consumption was 172.7 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:36,189 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.6 MB in the beginning and 320.5 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:36,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.23 ms. Allocated memory is still 339.7 MB. Free memory was 301.9 MB in the beginning and 323.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:36,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.83 ms. Allocated memory is still 339.7 MB. Free memory was 323.6 MB in the beginning and 322.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:36,190 INFO L168 Benchmark]: Boogie Preprocessor took 30.77 ms. Allocated memory is still 339.7 MB. Free memory was 322.6 MB in the beginning and 321.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:36,191 INFO L168 Benchmark]: RCFGBuilder took 327.34 ms. Allocated memory is still 339.7 MB. Free memory was 321.3 MB in the beginning and 303.7 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:36,191 INFO L168 Benchmark]: TraceAbstraction took 1933.95 ms. Allocated memory is still 339.7 MB. Free memory was 303.7 MB in the beginning and 127.6 MB in the end (delta: 176.2 MB). Peak memory consumption was 176.2 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:36,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.6 MB in the beginning and 320.5 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 221.23 ms. Allocated memory is still 339.7 MB. Free memory was 301.9 MB in the beginning and 323.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.83 ms. Allocated memory is still 339.7 MB. Free memory was 323.6 MB in the beginning and 322.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.77 ms. Allocated memory is still 339.7 MB. Free memory was 322.6 MB in the beginning and 321.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 327.34 ms. Allocated memory is still 339.7 MB. Free memory was 321.3 MB in the beginning and 303.7 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1933.95 ms. Allocated memory is still 339.7 MB. Free memory was 303.7 MB in the beginning and 127.6 MB in the end (delta: 176.2 MB). Peak memory consumption was 176.2 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: 1422, positive: 1354, positive conditional: 1354, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1384, positive: 1354, positive conditional: 1354, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1384, positive: 1343, positive conditional: 0, positive unconditional: 1343, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 301, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 301, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 67, negative conditional: 24, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1384, positive: 1052, positive conditional: 0, positive unconditional: 1052, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 301, unknown conditional: 0, unknown unconditional: 301] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 295, Positive conditional cache size: 4, Positive unconditional cache size: 291, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 67, negative conditional: 24, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 295, Positive conditional cache size: 4, Positive unconditional cache size: 291, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 67, negative conditional: 24, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 295, Positive conditional cache size: 4, Positive unconditional cache size: 291, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 67, negative conditional: 24, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 295, Positive conditional cache size: 4, Positive unconditional cache size: 291, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 67, negative conditional: 24, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 295, Positive conditional cache size: 4, Positive unconditional cache size: 291, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64 ], Maximal queried relation: 4, Independence queries for same thread: 38 - 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: 1796.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.9ms, PartialOrderReductionTime: 860.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, 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: TRACE_CHECK: 15.4ms SsaConstructionTime, 92.7ms SatisfiabilityAnalysisTime, 641.9ms InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...