/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:56:40,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:56:40,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:56:40,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 05:56:40,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 05:56:40,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 05:56:40,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 05:56:40,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 05:56:40,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 05:56:40,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 05:56:40,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 05:56:40,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 05:56:40,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 05:56:40,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 05:56:40,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 05:56:40,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 05:56:40,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 05:56:40,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 05:56:40,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 05:56:40,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 05:56:40,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 05:56:40,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 05:56:40,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 05:56:40,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 05:56:40,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 05:56:40,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 05:56:40,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 05:56:40,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 05:56:40,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 05:56:40,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 05:56:40,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:56:40,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:56:40,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:56:40,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:56:40,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:56:40,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:56:40,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:56:40,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 05:56:40,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 05:56:40,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 05:56:40,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 05:56:40,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf [2021-06-02 05:56:40,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:56:40,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:56:40,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:56:40,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:56:40,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:56:40,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:56:40,324 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:56:40,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:56:40,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:56:40,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:56:40,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:56:40,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:56:40,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:56:40,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:56:40,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:56:40,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:56:40,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:56:40,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:56:40,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:56:40,328 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 05:56:40,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:56:40,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:56:40,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:56:40,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:56:40,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 05:56:40,658 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 05:56:40,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2021-06-02 05:56:40,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630dd18df/b6ec872fc7cb47059e2318bead371682/FLAG7145dc38e [2021-06-02 05:56:41,143 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 05:56:41,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2021-06-02 05:56:41,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630dd18df/b6ec872fc7cb47059e2318bead371682/FLAG7145dc38e [2021-06-02 05:56:41,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630dd18df/b6ec872fc7cb47059e2318bead371682 [2021-06-02 05:56:41,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:56:41,450 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 05:56:41,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 05:56:41,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 05:56:41,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 05:56:41,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9158ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41, skipping insertion in model container [2021-06-02 05:56:41,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 05:56:41,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 05:56:41,627 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-02 05:56:41,786 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174] [2021-06-02 05:56:41,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 05:56:41,803 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 05:56:41,824 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-02 05:56:41,847 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174] [2021-06-02 05:56:41,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 05:56:41,917 INFO L208 MainTranslator]: Completed translation [2021-06-02 05:56:41,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41 WrapperNode [2021-06-02 05:56:41,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 05:56:41,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:56:41,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:56:41,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:56:41,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:56:41,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:56:41,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:56:41,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:56:41,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:41,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:42,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:42,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:42,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... [2021-06-02 05:56:42,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:56:42,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:56:42,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:56:42,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:56:42,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:56:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-02 05:56:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-02 05:56:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 05:56:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 05:56:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 05:56:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 05:56:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 05:56:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 05:56:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:56:42,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:56:42,096 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 05:56:42,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:56:42,493 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-02 05:56:42,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:56:42 BoogieIcfgContainer [2021-06-02 05:56:42,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:56:42,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:56:42,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:56:42,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:56:42,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 05:56:41" (1/3) ... [2021-06-02 05:56:42,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692bd3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:56:42, skipping insertion in model container [2021-06-02 05:56:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:56:41" (2/3) ... [2021-06-02 05:56:42,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692bd3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:56:42, skipping insertion in model container [2021-06-02 05:56:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:56:42" (3/3) ... [2021-06-02 05:56:42,503 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2021-06-02 05:56:42,508 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:56:42,508 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:56:42,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 05:56:42,509 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:56:42,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:56:42,534 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 05:56:42,553 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:56:42,606 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:56:42,606 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:56:42,606 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:56:42,606 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:56:42,606 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:56:42,606 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:56:42,606 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:56:42,606 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:56:42,716 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:56:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:56:42,721 INFO L82 PathProgramCache]: Analyzing trace with hash 180770886, now seen corresponding path program 1 times [2021-06-02 05:56:42,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:56:42,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239337801] [2021-06-02 05:56:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:56:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:56:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:56:42,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:56:42,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239337801] [2021-06-02 05:56:42,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239337801] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:56:42,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:56:42,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 05:56:42,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117899088] [2021-06-02 05:56:42,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 05:56:42,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:56:42,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 05:56:42,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 05:56:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:56:42,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:56:42,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-06-02 05:56:42,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:56:43,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 05:56:43,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 05:56:43,133 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:56:43,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:56:43,133 INFO L82 PathProgramCache]: Analyzing trace with hash -386681961, now seen corresponding path program 1 times [2021-06-02 05:56:43,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:56:43,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816252036] [2021-06-02 05:56:43,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:56:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:56:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:56:43,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:56:43,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816252036] [2021-06-02 05:56:43,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816252036] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:56:43,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:56:43,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 05:56:43,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045914857] [2021-06-02 05:56:43,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:56:43,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:56:43,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:56:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:56:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:56:43,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:56:43,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2021-06-02 05:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 05:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:56:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 05:56:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 05:56:43,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 05:56:43,307 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:56:43,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:56:43 BasicIcfg [2021-06-02 05:56:43,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:56:43,310 INFO L168 Benchmark]: Toolchain (without parser) took 1859.50 ms. Allocated memory is still 377.5 MB. Free memory was 339.9 MB in the beginning and 248.1 MB in the end (delta: 91.8 MB). Peak memory consumption was 91.2 MB. Max. memory is 16.0 GB. [2021-06-02 05:56:43,310 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 377.5 MB. Free memory was 357.8 MB in the beginning and 357.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:56:43,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.90 ms. Allocated memory is still 377.5 MB. Free memory was 339.8 MB in the beginning and 340.4 MB in the end (delta: -591.2 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-02 05:56:43,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.74 ms. Allocated memory is still 377.5 MB. Free memory was 340.4 MB in the beginning and 338.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:56:43,312 INFO L168 Benchmark]: Boogie Preprocessor took 34.45 ms. Allocated memory is still 377.5 MB. Free memory was 338.3 MB in the beginning and 337.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:56:43,312 INFO L168 Benchmark]: RCFGBuilder took 483.32 ms. Allocated memory is still 377.5 MB. Free memory was 337.2 MB in the beginning and 305.8 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-06-02 05:56:43,313 INFO L168 Benchmark]: TraceAbstraction took 812.53 ms. Allocated memory is still 377.5 MB. Free memory was 304.7 MB in the beginning and 248.1 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.0 GB. [2021-06-02 05:56:43,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 377.5 MB. Free memory was 357.8 MB in the beginning and 357.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 464.90 ms. Allocated memory is still 377.5 MB. Free memory was 339.8 MB in the beginning and 340.4 MB in the end (delta: -591.2 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.74 ms. Allocated memory is still 377.5 MB. Free memory was 340.4 MB in the beginning and 338.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.45 ms. Allocated memory is still 377.5 MB. Free memory was 338.3 MB in the beginning and 337.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 483.32 ms. Allocated memory is still 377.5 MB. Free memory was 337.2 MB in the beginning and 305.8 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 812.53 ms. Allocated memory is still 377.5 MB. Free memory was 304.7 MB in the beginning and 248.1 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 106, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 101, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1365, positive: 1338, positive conditional: 0, positive unconditional: 1338, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 421, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 421, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 40, positive conditional: 2, positive unconditional: 38, negative: 54, negative conditional: 6, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1365, positive: 931, positive conditional: 0, positive unconditional: 931, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 421, unknown conditional: 0, unknown unconditional: 421] , Statistics on independence cache: Total cache size (in pairs): 424, Positive cache size: 408, Positive conditional cache size: 1, Positive unconditional cache size: 407, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 40, positive conditional: 2, positive unconditional: 38, negative: 54, negative conditional: 6, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 424, Positive cache size: 408, Positive conditional cache size: 1, Positive unconditional cache size: 407, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 3, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 40, positive conditional: 2, positive unconditional: 38, negative: 54, negative conditional: 6, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 424, Positive cache size: 408, Positive conditional cache size: 1, Positive unconditional cache size: 407, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 3 ], Maximal queried relation: 2, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 160, Number of persistent set computation: 246, Number of trivial persistent sets: 198, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1365, positive: 1338, positive conditional: 0, positive unconditional: 1338, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 421, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 421, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 40, positive conditional: 2, positive unconditional: 38, negative: 54, negative conditional: 6, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1365, positive: 931, positive conditional: 0, positive unconditional: 931, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 421, unknown conditional: 0, unknown unconditional: 421] , Statistics on independence cache: Total cache size (in pairs): 424, Positive cache size: 408, Positive conditional cache size: 1, Positive unconditional cache size: 407, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14 - PositiveResult [Line: 738]: 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: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 59 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 738.4ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 303.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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: 6.6ms SsaConstructionTime, 69.0ms SatisfiabilityAnalysisTime, 196.0ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...