/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 05:46:26,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 05:46:26,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 05:46:26,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-23 05:46:26,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-23 05:46:26,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-23 05:46:26,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-23 05:46:26,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-23 05:46:26,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-23 05:46:26,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-23 05:46:26,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-23 05:46:26,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-23 05:46:26,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 05:46:26,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 05:46:26,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 05:46:26,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 05:46:26,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 05:46:26,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 05:46:26,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 05:46:26,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 05:46:26,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 05:46:26,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 05:46:26,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 05:46:26,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 05:46:26,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-23 05:46:26,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-23 05:46:26,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-23 05:46:26,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-23 05:46:26,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-23 05:46:26,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-23 05:46:26,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 05:46:26,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 05:46:26,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 05:46:26,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 05:46:26,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 05:46:26,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 05:46:26,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 05:46:26,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 05:46:26,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 05:46:26,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 05:46:26,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 05:46:26,336 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-Random521.epf [2021-08-23 05:46:26,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 05:46:26,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 05:46:26,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 05:46:26,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 05:46:26,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 05:46:26,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 05:46:26,375 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 05:46:26,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 05:46:26,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 05:46:26,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 05:46:26,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 05:46:26,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 05:46:26,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 05:46:26,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 05:46:26,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 05:46:26,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 05:46:26,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 05:46:26,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 05:46:26,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 05:46:26,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 05:46:26,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 05:46:26,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 05:46:26,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 05:46:26,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:46:26,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 05:46:26,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 05:46:26,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 05:46:26,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 05:46:26,388 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 05:46:26,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 05:46:26,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 05:46:26,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 05:46:26,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 05:46:26,389 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 05:46:26,389 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 05:46:26,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 05:46:26,390 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 05:46:26,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 05:46:26,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 05:46:26,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 05:46:26,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-23 05:46:26,694 INFO L275 PluginConnector]: CDTParser initialized [2021-08-23 05:46:26,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2021-08-23 05:46:26,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a80351c/f018b621ead44cd581dd0c7594d03481/FLAGad69225a5 [2021-08-23 05:46:27,232 INFO L306 CDTParser]: Found 1 translation units. [2021-08-23 05:46:27,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2021-08-23 05:46:27,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a80351c/f018b621ead44cd581dd0c7594d03481/FLAGad69225a5 [2021-08-23 05:46:27,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a80351c/f018b621ead44cd581dd0c7594d03481 [2021-08-23 05:46:27,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 05:46:27,579 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-23 05:46:27,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-23 05:46:27,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-23 05:46:27,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-23 05:46:27,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 05:46:27" (1/1) ... [2021-08-23 05:46:27,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cafa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:27, skipping insertion in model container [2021-08-23 05:46:27,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 05:46:27" (1/1) ... [2021-08-23 05:46:27,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-23 05:46:27,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-23 05:46:27,755 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-23 05:46:27,881 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-atomic/peterson.i[30997,31010] [2021-08-23 05:46:27,886 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-atomic/peterson.i[31682,31695] [2021-08-23 05:46:27,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-23 05:46:27,897 INFO L203 MainTranslator]: Completed pre-run [2021-08-23 05:46:27,922 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-23 05:46:27,955 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-atomic/peterson.i[30997,31010] [2021-08-23 05:46:27,957 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-atomic/peterson.i[31682,31695] [2021-08-23 05:46:27,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-23 05:46:28,001 INFO L208 MainTranslator]: Completed translation [2021-08-23 05:46:28,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28 WrapperNode [2021-08-23 05:46:28,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-23 05:46:28,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 05:46:28,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 05:46:28,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 05:46:28,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 05:46:28,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 05:46:28,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 05:46:28,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 05:46:28,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 05:46:28,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 05:46:28,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 05:46:28,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 05:46:28,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (1/1) ... [2021-08-23 05:46:28,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:46:28,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:46:28,114 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) [2021-08-23 05:46:28,128 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 [2021-08-23 05:46:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-23 05:46:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-08-23 05:46:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-08-23 05:46:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-23 05:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 05:46:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 05:46:28,157 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 05:46:28,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 05:46:28,480 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-23 05:46:28,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:46:28 BoogieIcfgContainer [2021-08-23 05:46:28,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 05:46:28,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 05:46:28,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 05:46:28,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 05:46:28,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 05:46:27" (1/3) ... [2021-08-23 05:46:28,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6069f1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:46:28, skipping insertion in model container [2021-08-23 05:46:28,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:46:28" (2/3) ... [2021-08-23 05:46:28,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6069f1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:46:28, skipping insertion in model container [2021-08-23 05:46:28,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:46:28" (3/3) ... [2021-08-23 05:46:28,488 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson.i [2021-08-23 05:46:28,492 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 05:46:28,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 05:46:28,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-23 05:46:28,492 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 05:46:28,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,519 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,520 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,520 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,520 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:46:28,552 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-23 05:46:28,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:46:28,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:46:28,617 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) [2021-08-23 05:46:28,624 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 [2021-08-23 05:46:28,663 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-08-23 05:46:28,671 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, mConcurrency=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 [2021-08-23 05:46:28,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 05:46:28,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:28,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1379417910, now seen corresponding path program 1 times [2021-08-23 05:46:28,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:28,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683164282] [2021-08-23 05:46:28,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:28,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:29,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:29,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683164282] [2021-08-23 05:46:29,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683164282] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:29,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:29,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-23 05:46:29,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454442745] [2021-08-23 05:46:29,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 05:46:29,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 05:46:29,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-23 05:46:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,194 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:29,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-08-23 05:46:29,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 05:46:29,234 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:29,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:29,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1744363426, now seen corresponding path program 1 times [2021-08-23 05:46:29,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:29,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797868351] [2021-08-23 05:46:29,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:29,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:29,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:29,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797868351] [2021-08-23 05:46:29,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797868351] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:29,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:29,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:46:29,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898181758] [2021-08-23 05:46:29,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:46:29,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:29,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:46:29,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:46:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,295 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:29,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-08-23 05:46:29,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 05:46:29,323 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:29,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:29,323 INFO L82 PathProgramCache]: Analyzing trace with hash 195717440, now seen corresponding path program 1 times [2021-08-23 05:46:29,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:29,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298563272] [2021-08-23 05:46:29,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:29,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:29,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:29,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298563272] [2021-08-23 05:46:29,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298563272] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:29,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:29,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:46:29,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094618957] [2021-08-23 05:46:29,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:46:29,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:46:29,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:46:29,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:29,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-08-23 05:46:29,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 05:46:29,477 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:29,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:29,478 INFO L82 PathProgramCache]: Analyzing trace with hash 543487224, now seen corresponding path program 2 times [2021-08-23 05:46:29,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:29,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040165843] [2021-08-23 05:46:29,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:29,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:29,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:29,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040165843] [2021-08-23 05:46:29,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040165843] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:29,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:29,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 05:46:29,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608441632] [2021-08-23 05:46:29,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 05:46:29,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:29,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 05:46:29,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-23 05:46:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,606 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:29,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-08-23 05:46:29,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 05:46:29,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 05:46:29,830 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:29,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:29,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1113142984, now seen corresponding path program 3 times [2021-08-23 05:46:29,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:29,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579643339] [2021-08-23 05:46:29,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:29,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:29,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:29,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579643339] [2021-08-23 05:46:29,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579643339] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:29,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:29,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 05:46:29,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730247880] [2021-08-23 05:46:29,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 05:46:29,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:29,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 05:46:29,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-23 05:46:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:29,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:29,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-08-23 05:46:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 05:46:29,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 05:46:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 05:46:30,057 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-23 05:46:30,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-23 05:46:30,070 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2021-08-23 05:46:30,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:46:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:46:30,078 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) [2021-08-23 05:46:30,079 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 [2021-08-23 05:46:30,081 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 05:46:30,081 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, mConcurrency=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 [2021-08-23 05:46:30,081 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-23 05:46:30,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 05:46:30,127 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 05:46:30,128 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-08-23 05:46:30,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:46:30,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:46:30,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 05:46:30,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-08-23 05:46:30,139 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2021-08-23 05:46:30,140 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, mConcurrency=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 [2021-08-23 05:46:30,140 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 05:46:30,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:30,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:30,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1140922497, now seen corresponding path program 1 times [2021-08-23 05:46:30,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:30,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879055018] [2021-08-23 05:46:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:30,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 05:46:30,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:30,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879055018] [2021-08-23 05:46:30,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879055018] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:30,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:30,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-23 05:46:30,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197778520] [2021-08-23 05:46:30,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 05:46:30,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:30,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 05:46:30,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-23 05:46:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:30,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-08-23 05:46:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-23 05:46:30,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:30,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:30,263 INFO L82 PathProgramCache]: Analyzing trace with hash 208494231, now seen corresponding path program 1 times [2021-08-23 05:46:30,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:30,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636473699] [2021-08-23 05:46:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:30,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:30,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:30,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636473699] [2021-08-23 05:46:30,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636473699] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:30,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:30,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:46:30,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169159246] [2021-08-23 05:46:30,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:46:30,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:30,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:46:30,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:46:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:30,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-08-23 05:46:30,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-23 05:46:30,322 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:30,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:30,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2089464293, now seen corresponding path program 1 times [2021-08-23 05:46:30,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:30,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243982074] [2021-08-23 05:46:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:30,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:30,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:30,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243982074] [2021-08-23 05:46:30,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243982074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:30,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:30,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 05:46:30,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778779822] [2021-08-23 05:46:30,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 05:46:30,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:30,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 05:46:30,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-23 05:46:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:30,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-08-23 05:46:30,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 05:46:30,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-23 05:46:30,531 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-23 05:46:30,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:46:30,531 INFO L82 PathProgramCache]: Analyzing trace with hash -313365191, now seen corresponding path program 2 times [2021-08-23 05:46:30,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:46:30,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458463400] [2021-08-23 05:46:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:46:30,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:46:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:46:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:46:30,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:46:30,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458463400] [2021-08-23 05:46:30,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458463400] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:46:30,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:46:30,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 05:46:30,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547830103] [2021-08-23 05:46:30,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 05:46:30,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:46:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 05:46:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-23 05:46:30,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,603 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:46:30,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-08-23 05:46:30,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 05:46:30,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:46:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:46:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:46:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 05:46:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 05:46:30,743 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-23 05:46:30,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-23 05:46:30,745 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2021-08-23 05:46:30,745 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 05:46:30,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 05:46:30,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 05:46:30 BasicIcfg [2021-08-23 05:46:30,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 05:46:30,749 INFO L168 Benchmark]: Toolchain (without parser) took 3168.72 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 144.7 MB in the beginning and 179.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 8.0 GB. [2021-08-23 05:46:30,749 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 05:46:30,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.20 ms. Allocated memory is still 181.4 MB. Free memory was 144.5 MB in the beginning and 154.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 05:46:30,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 181.4 MB. Free memory was 154.9 MB in the beginning and 153.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 05:46:30,750 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 181.4 MB. Free memory was 153.0 MB in the beginning and 151.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 05:46:30,750 INFO L168 Benchmark]: RCFGBuilder took 401.93 ms. Allocated memory is still 181.4 MB. Free memory was 151.7 MB in the beginning and 128.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-08-23 05:46:30,750 INFO L168 Benchmark]: TraceAbstraction took 2264.59 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 128.6 MB in the beginning and 179.8 MB in the end (delta: -51.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 05:46:30,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 419.20 ms. Allocated memory is still 181.4 MB. Free memory was 144.5 MB in the beginning and 154.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 181.4 MB. Free memory was 154.9 MB in the beginning and 153.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.53 ms. Allocated memory is still 181.4 MB. Free memory was 153.0 MB in the beginning and 151.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 401.93 ms. Allocated memory is still 181.4 MB. Free memory was 151.7 MB in the beginning and 128.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2264.59 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 128.6 MB in the beginning and 179.8 MB in the end (delta: -51.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5079, positive: 4578, positive conditional: 3418, positive unconditional: 1160, negative: 501, negative conditional: 469, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4578, positive conditional: 3418, positive unconditional: 1160, negative: 119, negative conditional: 87, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4697, positive: 4578, positive conditional: 3418, positive unconditional: 1160, negative: 119, negative conditional: 87, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4894, positive: 4578, positive conditional: 3324, positive unconditional: 1254, negative: 316, negative conditional: 197, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4894, positive: 4578, positive conditional: 1361, positive unconditional: 3217, negative: 316, negative conditional: 43, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4894, positive: 4578, positive conditional: 1361, positive unconditional: 3217, negative: 316, negative conditional: 43, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1129, positive: 1089, positive conditional: 1, positive unconditional: 1088, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1129, positive: 1085, positive conditional: 0, positive unconditional: 1085, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 12, positive conditional: 2, positive unconditional: 10, negative: 127, negative conditional: 16, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4894, positive: 3489, positive conditional: 1360, positive unconditional: 2129, negative: 276, negative conditional: 35, negative unconditional: 241, unknown: 1129, unknown conditional: 9, unknown unconditional: 1120] , Statistics on independence cache: Total cache size (in pairs): 1129, Positive cache size: 1089, Positive conditional cache size: 1, Positive unconditional cache size: 1088, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 2117, Maximal queried relation: 3, Independence queries for same thread: 382 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 233, Number of persistent set computation: 333, Number of trivial persistent sets: 177, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1192, positive: 1160, positive conditional: 0, positive unconditional: 1160, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5079, positive: 4578, positive conditional: 3418, positive unconditional: 1160, negative: 501, negative conditional: 469, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4578, positive conditional: 3418, positive unconditional: 1160, negative: 119, negative conditional: 87, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4697, positive: 4578, positive conditional: 3418, positive unconditional: 1160, negative: 119, negative conditional: 87, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4894, positive: 4578, positive conditional: 3324, positive unconditional: 1254, negative: 316, negative conditional: 197, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4894, positive: 4578, positive conditional: 1361, positive unconditional: 3217, negative: 316, negative conditional: 43, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4894, positive: 4578, positive conditional: 1361, positive unconditional: 3217, negative: 316, negative conditional: 43, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1129, positive: 1089, positive conditional: 1, positive unconditional: 1088, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1129, positive: 1085, positive conditional: 0, positive unconditional: 1085, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 12, positive conditional: 2, positive unconditional: 10, negative: 127, negative conditional: 16, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4894, positive: 3489, positive conditional: 1360, positive unconditional: 2129, negative: 276, negative conditional: 35, negative unconditional: 241, unknown: 1129, unknown conditional: 9, unknown unconditional: 1120] , Statistics on independence cache: Total cache size (in pairs): 1129, Positive cache size: 1089, Positive conditional cache size: 1, Positive unconditional cache size: 1088, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 2117, Maximal queried relation: 3, Independence queries for same thread: 382 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 607, positive: 592, positive conditional: 30, positive unconditional: 562, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 30, positive unconditional: 562, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 30, positive unconditional: 562, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 0, positive unconditional: 592, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 592, positive conditional: 0, positive unconditional: 592, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 0, positive unconditional: 592, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 564, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 564, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 602, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 564, unknown conditional: 0, unknown unconditional: 564] , Statistics on independence cache: Total cache size (in pairs): 564, Positive cache size: 554, Positive conditional cache size: 0, Positive unconditional cache size: 554, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 40, Number of persistent set computation: 44, Number of trivial persistent sets: 37, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 572, positive: 562, positive conditional: 0, positive unconditional: 562, 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: 607, positive: 592, positive conditional: 30, positive unconditional: 562, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 30, positive unconditional: 562, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 30, positive unconditional: 562, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 0, positive unconditional: 592, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 592, positive conditional: 0, positive unconditional: 592, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 592, positive conditional: 0, positive unconditional: 592, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 564, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 564, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 602, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 564, unknown conditional: 0, unknown unconditional: 564] , Statistics on independence cache: Total cache size (in pairs): 564, Positive cache size: 554, Positive conditional cache size: 0, Positive unconditional cache size: 554, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3467, positive: 3152, positive conditional: 2056, positive unconditional: 1096, negative: 315, negative conditional: 285, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3245, positive: 3152, positive conditional: 2056, positive unconditional: 1096, negative: 93, negative conditional: 63, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3245, positive: 3152, positive conditional: 2056, positive unconditional: 1096, negative: 93, negative conditional: 63, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3341, positive: 3152, positive conditional: 1939, positive unconditional: 1213, negative: 189, negative conditional: 96, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3341, positive: 3152, positive conditional: 863, positive unconditional: 2289, negative: 189, negative conditional: 24, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3341, positive: 3152, positive conditional: 863, positive unconditional: 2289, negative: 189, negative conditional: 24, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1068, positive: 1032, positive conditional: 1, positive unconditional: 1031, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1068, positive: 1029, positive conditional: 0, positive unconditional: 1029, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 57, negative conditional: 7, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3341, positive: 2120, positive conditional: 862, positive unconditional: 1258, negative: 153, negative conditional: 18, negative unconditional: 135, unknown: 1068, unknown conditional: 7, unknown unconditional: 1061] , Statistics on independence cache: Total cache size (in pairs): 1068, Positive cache size: 1032, Positive conditional cache size: 1, Positive unconditional cache size: 1031, Negative cache size: 36, Negative conditional cache size: 6, Negative unconditional cache size: 30, Eliminated conditions: 1148, Maximal queried relation: 2, Independence queries for same thread: 222 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 75, Number of persistent set computation: 239, Number of trivial persistent sets: 99, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1126, positive: 1096, positive conditional: 0, positive unconditional: 1096, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3467, positive: 3152, positive conditional: 2056, positive unconditional: 1096, negative: 315, negative conditional: 285, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3245, positive: 3152, positive conditional: 2056, positive unconditional: 1096, negative: 93, negative conditional: 63, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3245, positive: 3152, positive conditional: 2056, positive unconditional: 1096, negative: 93, negative conditional: 63, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3341, positive: 3152, positive conditional: 1939, positive unconditional: 1213, negative: 189, negative conditional: 96, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3341, positive: 3152, positive conditional: 863, positive unconditional: 2289, negative: 189, negative conditional: 24, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3341, positive: 3152, positive conditional: 863, positive unconditional: 2289, negative: 189, negative conditional: 24, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1068, positive: 1032, positive conditional: 1, positive unconditional: 1031, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1068, positive: 1029, positive conditional: 0, positive unconditional: 1029, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 57, negative conditional: 7, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3341, positive: 2120, positive conditional: 862, positive unconditional: 1258, negative: 153, negative conditional: 18, negative unconditional: 135, unknown: 1068, unknown conditional: 7, unknown unconditional: 1061] , Statistics on independence cache: Total cache size (in pairs): 1068, Positive cache size: 1032, Positive conditional cache size: 1, Positive unconditional cache size: 1031, Negative cache size: 36, Negative conditional cache size: 6, Negative unconditional cache size: 30, Eliminated conditions: 1148, Maximal queried relation: 2, Independence queries for same thread: 222 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 753]: 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 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1460.3ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.6ms, PartialOrderReductionTime: 714.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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: 14.9ms SsaConstructionTime, 112.3ms SatisfiabilityAnalysisTime, 365.0ms InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 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 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 55.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.9ms, PartialOrderReductionTime: 42.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 615.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 333.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 5.7ms SsaConstructionTime, 19.9ms SatisfiabilityAnalysisTime, 207.3ms InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 5/5 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! [2021-08-23 05:46:30,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-08-23 05:46:30,992 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 [2021-08-23 05:46:31,192 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 [2021-08-23 05:46:31,395 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...