/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-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 07:40:23,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 07:40:23,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 07:40:23,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 07:40:23,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 07:40:23,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 07:40:23,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 07:40:23,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 07:40:23,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 07:40:23,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 07:40:23,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 07:40:23,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 07:40:23,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 07:40:23,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 07:40:23,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 07:40:23,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 07:40:23,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 07:40:23,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 07:40:23,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 07:40:23,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 07:40:23,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 07:40:23,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 07:40:23,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 07:40:23,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 07:40:23,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 07:40:23,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 07:40:23,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 07:40:23,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 07:40:23,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 07:40:23,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 07:40:23,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 07:40:23,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 07:40:23,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 07:40:23,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 07:40:23,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 07:40:23,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 07:40:23,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 07:40:23,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 07:40:23,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 07:40:23,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 07:40:23,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 07:40:23,308 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-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 07:40:23,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 07:40:23,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 07:40:23,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 07:40:23,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 07:40:23,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 07:40:23,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 07:40:23,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 07:40:23,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 07:40:23,341 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 07:40:23,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 07:40:23,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 07:40:23,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 07:40:23,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 07:40:23,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 07:40:23,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 07:40:23,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 07:40:23,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:40:23,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 07:40:23,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 07:40:23,350 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 07:40:23,351 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 07:40:23,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 07:40:23,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 07:40:23,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 07:40:23,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 07:40:23,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 07:40:23,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 07:40:23,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-11-14 07:40:23,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4b9f32e/a463594dcf654623bbc7205b4d71b41b/FLAG3556a5cd7 [2021-11-14 07:40:24,083 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 07:40:24,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-11-14 07:40:24,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4b9f32e/a463594dcf654623bbc7205b4d71b41b/FLAG3556a5cd7 [2021-11-14 07:40:24,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4b9f32e/a463594dcf654623bbc7205b4d71b41b [2021-11-14 07:40:24,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 07:40:24,436 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 07:40:24,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 07:40:24,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 07:40:24,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 07:40:24,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eda6ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24, skipping insertion in model container [2021-11-14 07:40:24,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 07:40:24,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 07:40:24,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30382,30395] [2021-11-14 07:40:24,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30752,30765] [2021-11-14 07:40:24,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:40:24,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 07:40:24,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30382,30395] [2021-11-14 07:40:24,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30752,30765] [2021-11-14 07:40:24,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:40:24,856 INFO L208 MainTranslator]: Completed translation [2021-11-14 07:40:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24 WrapperNode [2021-11-14 07:40:24,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 07:40:24,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 07:40:24,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 07:40:24,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 07:40:24,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 07:40:24,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 07:40:24,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 07:40:24,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 07:40:24,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 07:40:24,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 07:40:24,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 07:40:24,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 07:40:24,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (1/1) ... [2021-11-14 07:40:24,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:40:24,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:40:24,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 07:40:24,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 07:40:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-14 07:40:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-14 07:40:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 07:40:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 07:40:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 07:40:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 07:40:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 07:40:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 07:40:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 07:40:24,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 07:40:25,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 07:40:25,249 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-14 07:40:25,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:40:25 BoogieIcfgContainer [2021-11-14 07:40:25,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 07:40:25,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 07:40:25,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 07:40:25,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 07:40:25,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:40:24" (1/3) ... [2021-11-14 07:40:25,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdfa038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:40:25, skipping insertion in model container [2021-11-14 07:40:25,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:40:24" (2/3) ... [2021-11-14 07:40:25,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdfa038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:40:25, skipping insertion in model container [2021-11-14 07:40:25,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:40:25" (3/3) ... [2021-11-14 07:40:25,256 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2021-11-14 07:40:25,260 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 07:40:25,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 07:40:25,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-14 07:40:25,260 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 07:40:25,292 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,315 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,316 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,316 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,316 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,316 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,316 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,320 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,320 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,320 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,320 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,321 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,321 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,321 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,321 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,321 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:40:25,322 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 07:40:25,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:40:25,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:40:25,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 07:40:25,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 07:40:25,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-14 07:40:25,429 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 07:40:25,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 07:40:25,578 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:40:25,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:40:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 33523167, now seen corresponding path program 1 times [2021-11-14 07:40:25,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:40:25,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192608979] [2021-11-14 07:40:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:40:25,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:40:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:40:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:40:25,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:40:25,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192608979] [2021-11-14 07:40:25,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192608979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:40:25,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:40:25,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 07:40:25,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791080448] [2021-11-14 07:40:25,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:40:25,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:40:25,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:40:25,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:40:25,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:40:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:25,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:40:25,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-14 07:40:25,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,006 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-14 07:40:26,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 07:40:26,017 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-14 07:40:26,019 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-11-14 07:40:26,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:40:26,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:40:26,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 07:40:26,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 07:40:26,045 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 07:40:26,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 07:40:26,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-14 07:40:26,100 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 07:40:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:40:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash -148843526, now seen corresponding path program 1 times [2021-11-14 07:40:26,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:40:26,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291231549] [2021-11-14 07:40:26,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:40:26,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:40:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:40:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:40:26,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:40:26,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291231549] [2021-11-14 07:40:26,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291231549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:40:26,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:40:26,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:40:26,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39444341] [2021-11-14 07:40:26,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:40:26,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:40:26,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:40:26,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:40:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:40:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:40:26,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-14 07:40:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 07:40:26,206 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 07:40:26,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:40:26,207 INFO L85 PathProgramCache]: Analyzing trace with hash 371614373, now seen corresponding path program 1 times [2021-11-14 07:40:26,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:40:26,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014440874] [2021-11-14 07:40:26,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:40:26,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:40:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:40:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:40:26,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:40:26,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014440874] [2021-11-14 07:40:26,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014440874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:40:26,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:40:26,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:40:26,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724029149] [2021-11-14 07:40:26,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:40:26,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 07:40:26,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:40:26,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 07:40:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-14 07:40:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:40:26,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-11-14 07:40:26,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 07:40:26,440 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 07:40:26,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:40:26,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1459735523, now seen corresponding path program 1 times [2021-11-14 07:40:26,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:40:26,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329512358] [2021-11-14 07:40:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:40:26,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:40:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:40:26,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:40:26,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:40:26,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329512358] [2021-11-14 07:40:26,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329512358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:40:26,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:40:26,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 07:40:26,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649278888] [2021-11-14 07:40:26,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:40:26,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 07:40:26,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:40:26,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 07:40:26,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-14 07:40:26,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,533 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:40:26,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 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) [2021-11-14 07:40:26,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 07:40:26,580 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 07:40:26,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:40:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1276003073, now seen corresponding path program 2 times [2021-11-14 07:40:26,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:40:26,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549945068] [2021-11-14 07:40:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:40:26,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:40:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:40:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:40:26,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:40:26,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549945068] [2021-11-14 07:40:26,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549945068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:40:26,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:40:26,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:40:26,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643422380] [2021-11-14 07:40:26,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:40:26,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:40:26,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:40:26,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:40:26,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:40:26,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:40:26,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) 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) [2021-11-14 07:40:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:40:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:40:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:40:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-14 07:40:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-14 07:40:26,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 07:40:26,642 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2021-11-14 07:40:26,642 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2021-11-14 07:40:26,643 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 07:40:26,643 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 07:40:26,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:40:26 BasicIcfg [2021-11-14 07:40:26,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 07:40:26,647 INFO L158 Benchmark]: Toolchain (without parser) took 2210.67ms. Allocated memory is still 400.6MB. Free memory was 345.9MB in the beginning and 267.4MB in the end (delta: 78.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.0GB. [2021-11-14 07:40:26,647 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 400.6MB. Free memory is still 364.1MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 07:40:26,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.40ms. Allocated memory is still 400.6MB. Free memory was 345.7MB in the beginning and 363.8MB in the end (delta: -18.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. [2021-11-14 07:40:26,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.59ms. Allocated memory is still 400.6MB. Free memory was 363.8MB in the beginning and 361.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:40:26,648 INFO L158 Benchmark]: Boogie Preprocessor took 18.71ms. Allocated memory is still 400.6MB. Free memory was 361.8MB in the beginning and 360.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 07:40:26,649 INFO L158 Benchmark]: RCFGBuilder took 341.56ms. Allocated memory is still 400.6MB. Free memory was 360.8MB in the beginning and 344.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 07:40:26,649 INFO L158 Benchmark]: TraceAbstraction took 1395.16ms. Allocated memory is still 400.6MB. Free memory was 342.9MB in the beginning and 267.4MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.0GB. [2021-11-14 07:40:26,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 400.6MB. Free memory is still 364.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 419.40ms. Allocated memory is still 400.6MB. Free memory was 345.7MB in the beginning and 363.8MB in the end (delta: -18.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 31.59ms. Allocated memory is still 400.6MB. Free memory was 363.8MB in the beginning and 361.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 18.71ms. Allocated memory is still 400.6MB. Free memory was 361.8MB in the beginning and 360.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 341.56ms. Allocated memory is still 400.6MB. Free memory was 360.8MB in the beginning and 344.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 1395.16ms. Allocated memory is still 400.6MB. Free memory was 342.9MB in the beginning and 267.4MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 382, positive: 341, positive conditional: 128, positive unconditional: 213, negative: 41, negative conditional: 32, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, positive: 341, positive conditional: 128, positive unconditional: 213, negative: 19, negative conditional: 10, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 360, positive: 341, positive conditional: 128, positive unconditional: 213, negative: 19, negative conditional: 10, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 370, positive: 341, positive conditional: 122, positive unconditional: 219, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 370, positive: 341, positive conditional: 74, positive unconditional: 267, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 370, positive: 341, positive conditional: 74, positive unconditional: 267, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 2, positive unconditional: 213, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 2, positive unconditional: 6, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 84, positive conditional: 10, positive unconditional: 74, negative: 48, negative conditional: 11, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 370, positive: 126, positive conditional: 72, positive unconditional: 54, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 226, unknown conditional: 4, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 215, Positive conditional cache size: 2, Positive unconditional cache size: 213, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 53, Maximal queried relation: 1, Independence queries for same thread: 22 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 141.08ms, Number of persistent set computation: 59, Number of trivial persistent sets: 54, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 222, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 382, positive: 341, positive conditional: 128, positive unconditional: 213, negative: 41, negative conditional: 32, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, positive: 341, positive conditional: 128, positive unconditional: 213, negative: 19, negative conditional: 10, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 360, positive: 341, positive conditional: 128, positive unconditional: 213, negative: 19, negative conditional: 10, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 370, positive: 341, positive conditional: 122, positive unconditional: 219, negative: 29, negative conditional: 10, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 370, positive: 341, positive conditional: 74, positive unconditional: 267, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 370, positive: 341, positive conditional: 74, positive unconditional: 267, negative: 29, negative conditional: 5, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 2, positive unconditional: 213, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 2, positive unconditional: 6, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, positive: 84, positive conditional: 10, positive unconditional: 74, negative: 48, negative conditional: 11, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 370, positive: 126, positive conditional: 72, positive unconditional: 54, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 226, unknown conditional: 4, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 215, Positive conditional cache size: 2, Positive unconditional cache size: 213, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 53, Maximal queried relation: 1, Independence queries for same thread: 22 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 767, positive: 667, positive conditional: 349, positive unconditional: 318, negative: 100, negative conditional: 90, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 691, positive: 667, positive conditional: 349, positive unconditional: 318, negative: 24, negative conditional: 14, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 691, positive: 667, positive conditional: 349, positive unconditional: 318, negative: 24, negative conditional: 14, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 725, positive: 667, positive conditional: 340, positive unconditional: 327, negative: 58, negative conditional: 34, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 725, positive: 667, positive conditional: 89, positive unconditional: 578, negative: 58, negative conditional: 16, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 725, positive: 667, positive conditional: 89, positive unconditional: 578, negative: 58, negative conditional: 16, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 31, negative conditional: 10, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 725, positive: 349, positive conditional: 89, positive unconditional: 260, negative: 43, negative conditional: 11, negative unconditional: 32, unknown: 333, unknown conditional: 5, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 318, Positive conditional cache size: 0, Positive unconditional cache size: 318, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Eliminated conditions: 269, Maximal queried relation: 3, Independence queries for same thread: 76 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 91.51ms, Number of persistent set computation: 134, Number of trivial persistent sets: 134, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 767, positive: 667, positive conditional: 349, positive unconditional: 318, negative: 100, negative conditional: 90, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 691, positive: 667, positive conditional: 349, positive unconditional: 318, negative: 24, negative conditional: 14, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 691, positive: 667, positive conditional: 349, positive unconditional: 318, negative: 24, negative conditional: 14, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 725, positive: 667, positive conditional: 340, positive unconditional: 327, negative: 58, negative conditional: 34, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 725, positive: 667, positive conditional: 89, positive unconditional: 578, negative: 58, negative conditional: 16, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 725, positive: 667, positive conditional: 89, positive unconditional: 578, negative: 58, negative conditional: 16, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 31, negative conditional: 10, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 725, positive: 349, positive conditional: 89, positive unconditional: 260, negative: 43, negative conditional: 11, negative unconditional: 32, unknown: 333, unknown conditional: 5, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 318, Positive conditional cache size: 0, Positive unconditional cache size: 318, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Eliminated conditions: 269, Maximal queried relation: 3, Independence queries for same thread: 76 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 721]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 66 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 66 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-14 07:40:26,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-11-14 07:40:26,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 07:40:27,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...