/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-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 15:10:35,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 15:10:35,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 15:10:35,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 15:10:35,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 15:10:35,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 15:10:35,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 15:10:35,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 15:10:35,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 15:10:35,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 15:10:35,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 15:10:35,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-22 15:10:35,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 15:10:35,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 15:10:35,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 15:10:35,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 15:10:35,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 15:10:35,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 15:10:35,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 15:10:35,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 15:10:35,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 15:10:35,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 15:10:35,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 15:10:35,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 15:10:35,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 15:10:35,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 15:10:35,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 15:10:35,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 15:10:35,537 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-Uncond-NoLbe-Random42.epf [2021-10-22 15:10:35,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 15:10:35,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 15:10:35,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 15:10:35,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 15:10:35,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 15:10:35,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 15:10:35,557 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 15:10:35,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 15:10:35,557 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 15:10:35,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 15:10:35,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 15:10:35,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 15:10:35,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 15:10:35,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 15:10:35,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 15:10:35,560 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 15:10:35,560 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 15:10:35,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 15:10:35,560 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 [2021-10-22 15:10:35,560 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 15:10:35,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 15:10:35,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 15:10:35,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 15:10:35,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 15:10:35,771 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 15:10:35,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-10-22 15:10:35,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3da4858/6f5e6a83fc4f4e29adb6bee38018e74d/FLAGa1f4e657b [2021-10-22 15:10:36,280 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 15:10:36,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-10-22 15:10:36,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3da4858/6f5e6a83fc4f4e29adb6bee38018e74d/FLAGa1f4e657b [2021-10-22 15:10:36,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3da4858/6f5e6a83fc4f4e29adb6bee38018e74d [2021-10-22 15:10:36,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 15:10:36,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 15:10:36,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 15:10:36,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 15:10:36,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 15:10:36,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c0bd90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36, skipping insertion in model container [2021-10-22 15:10:36,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 15:10:36,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 15:10:36,608 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/time_var_mutex.i[30247,30260] [2021-10-22 15:10:36,612 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/time_var_mutex.i[30452,30465] [2021-10-22 15:10:36,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 15:10:36,628 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 15:10:36,653 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/time_var_mutex.i[30247,30260] [2021-10-22 15:10:36,654 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/time_var_mutex.i[30452,30465] [2021-10-22 15:10:36,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 15:10:36,689 INFO L208 MainTranslator]: Completed translation [2021-10-22 15:10:36,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36 WrapperNode [2021-10-22 15:10:36,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 15:10:36,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 15:10:36,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 15:10:36,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 15:10:36,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 15:10:36,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 15:10:36,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 15:10:36,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 15:10:36,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 15:10:36,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 15:10:36,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 15:10:36,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 15:10:36,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (1/1) ... [2021-10-22 15:10:36,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 15:10:36,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:36,768 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) [2021-10-22 15:10:36,787 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 [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-10-22 15:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-10-22 15:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 15:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 15:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 15:10:36,800 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 15:10:37,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 15:10:37,188 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-22 15:10:37,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:10:37 BoogieIcfgContainer [2021-10-22 15:10:37,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 15:10:37,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 15:10:37,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 15:10:37,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 15:10:37,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:10:36" (1/3) ... [2021-10-22 15:10:37,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bd7d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:10:37, skipping insertion in model container [2021-10-22 15:10:37,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:36" (2/3) ... [2021-10-22 15:10:37,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bd7d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:10:37, skipping insertion in model container [2021-10-22 15:10:37,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:10:37" (3/3) ... [2021-10-22 15:10:37,197 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-10-22 15:10:37,200 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 15:10:37,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 15:10:37,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-22 15:10:37,201 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,228 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,229 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,229 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,229 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,229 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,230 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,230 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,230 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,230 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,230 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,231 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,231 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,231 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,231 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,232 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,233 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,233 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,233 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,233 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,233 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,233 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,234 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,235 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,237 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,237 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,237 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,237 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,237 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,238 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,238 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,241 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,241 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,241 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,241 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,241 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,246 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,247 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,247 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,247 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,247 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,247 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:37,256 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-22 15:10:37,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:10:37,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:37,299 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) [2021-10-22 15:10:37,300 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 [2021-10-22 15:10:37,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == de_allocatorThread1of1ForFork0 ======== [2021-10-22 15:10:37,325 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 [2021-10-22 15:10:37,325 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 15:10:37,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:37,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:37,443 INFO L82 PathProgramCache]: Analyzing trace with hash -149671575, now seen corresponding path program 1 times [2021-10-22 15:10:37,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:37,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47373719] [2021-10-22 15:10:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:37,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:37,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:37,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47373719] [2021-10-22 15:10:37,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47373719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:37,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:37,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 15:10:37,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328249387] [2021-10-22 15:10:37,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 15:10:37,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:37,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 15:10:37,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 15:10:37,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,680 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:37,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2021-10-22 15:10:37,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 15:10:37,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:37,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1298448426, now seen corresponding path program 1 times [2021-10-22 15:10:37,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:37,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306645765] [2021-10-22 15:10:37,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:37,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:37,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:37,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306645765] [2021-10-22 15:10:37,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306645765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:37,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:37,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:37,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748340418] [2021-10-22 15:10:37,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:37,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:37,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:37,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:37,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-22 15:10:37,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:37,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 15:10:37,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:37,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:37,857 INFO L82 PathProgramCache]: Analyzing trace with hash 93936866, now seen corresponding path program 1 times [2021-10-22 15:10:37,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:37,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344083730] [2021-10-22 15:10:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:37,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:37,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:37,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344083730] [2021-10-22 15:10:37,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344083730] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:37,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:37,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:37,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628168083] [2021-10-22 15:10:37,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:37,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:37,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:37,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,914 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:37,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-10-22 15:10:37,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:37,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:37,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 15:10:37,944 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:37,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:37,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1806062177, now seen corresponding path program 1 times [2021-10-22 15:10:37,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:37,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146163359] [2021-10-22 15:10:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:37,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146163359] [2021-10-22 15:10:38,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146163359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:38,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251217393] [2021-10-22 15:10:38,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:38,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:38,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,021 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2021-10-22 15:10:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 15:10:38,112 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1975987138, now seen corresponding path program 1 times [2021-10-22 15:10:38,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885118347] [2021-10-22 15:10:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885118347] [2021-10-22 15:10:38,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885118347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:38,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884726951] [2021-10-22 15:10:38,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:38,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-10-22 15:10:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 15:10:38,187 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1096884951, now seen corresponding path program 1 times [2021-10-22 15:10:38,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078043486] [2021-10-22 15:10:38,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078043486] [2021-10-22 15:10:38,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078043486] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:10:38,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553211872] [2021-10-22 15:10:38,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:10:38,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:10:38,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:10:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-10-22 15:10:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:10:38,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 15:10:38,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-22 15:10:38,295 INFO L308 ceAbstractionStarter]: Result for error location de_allocatorThread1of1ForFork0 was SAFE (1/3) [2021-10-22 15:10:38,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:10:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:38,298 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) [2021-10-22 15:10:38,299 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 [2021-10-22 15:10:38,317 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 15:10:38,317 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 [2021-10-22 15:10:38,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 15:10:38,412 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 15:10:38,412 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 15:10:38,413 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-10-22 15:10:38,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:10:38,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:38,453 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) [2021-10-22 15:10:38,467 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 [2021-10-22 15:10:38,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == allocatorThread1of1ForFork1 ======== [2021-10-22 15:10:38,470 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 [2021-10-22 15:10:38,470 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 15:10:38,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1626334727, now seen corresponding path program 1 times [2021-10-22 15:10:38,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882330636] [2021-10-22 15:10:38,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882330636] [2021-10-22 15:10:38,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882330636] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:38,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478485374] [2021-10-22 15:10:38,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:38,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:38,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-10-22 15:10:38,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-22 15:10:38,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1021509199, now seen corresponding path program 1 times [2021-10-22 15:10:38,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11237232] [2021-10-22 15:10:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11237232] [2021-10-22 15:10:38,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11237232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:38,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725338217] [2021-10-22 15:10:38,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:38,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:38,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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) [2021-10-22 15:10:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 15:10:38,640 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,640 INFO L82 PathProgramCache]: Analyzing trace with hash -2052135480, now seen corresponding path program 1 times [2021-10-22 15:10:38,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637845832] [2021-10-22 15:10:38,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637845832] [2021-10-22 15:10:38,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637845832] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:38,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313245970] [2021-10-22 15:10:38,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:38,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:38,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:38,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-10-22 15:10:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-22 15:10:38,724 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2119536520, now seen corresponding path program 2 times [2021-10-22 15:10:38,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807700023] [2021-10-22 15:10:38,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807700023] [2021-10-22 15:10:38,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807700023] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:10:38,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449545280] [2021-10-22 15:10:38,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:38,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:38,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:10:38,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,760 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-10-22 15:10:38,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-22 15:10:38,772 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:38,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:38,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1085654438, now seen corresponding path program 1 times [2021-10-22 15:10:38,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:38,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997240820] [2021-10-22 15:10:38,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:38,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:38,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:38,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997240820] [2021-10-22 15:10:38,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997240820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:38,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:38,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:10:38,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899400479] [2021-10-22 15:10:38,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:10:38,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:38,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:10:38,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:10:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,817 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:38,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-10-22 15:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:38,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:10:38,856 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 15:10:38,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-22 15:10:38,857 INFO L308 ceAbstractionStarter]: Result for error location allocatorThread1of1ForFork1 was SAFE (3/3) [2021-10-22 15:10:38,858 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 15:10:38,858 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 15:10:38,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:10:38 BasicIcfg [2021-10-22 15:10:38,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 15:10:38,861 INFO L168 Benchmark]: Toolchain (without parser) took 2550.06 ms. Allocated memory was 188.7 MB in the beginning and 246.4 MB in the end (delta: 57.7 MB). Free memory was 134.8 MB in the beginning and 107.4 MB in the end (delta: 27.4 MB). Peak memory consumption was 86.3 MB. Max. memory is 8.0 GB. [2021-10-22 15:10:38,862 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 188.7 MB. Free memory is still 152.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 15:10:38,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.48 ms. Allocated memory is still 188.7 MB. Free memory was 134.7 MB in the beginning and 154.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2021-10-22 15:10:38,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.49 ms. Allocated memory is still 188.7 MB. Free memory was 154.9 MB in the beginning and 152.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 15:10:38,862 INFO L168 Benchmark]: Boogie Preprocessor took 14.78 ms. Allocated memory is still 188.7 MB. Free memory was 152.8 MB in the beginning and 151.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 15:10:38,863 INFO L168 Benchmark]: RCFGBuilder took 452.59 ms. Allocated memory is still 188.7 MB. Free memory was 151.7 MB in the beginning and 125.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-10-22 15:10:38,863 INFO L168 Benchmark]: TraceAbstraction took 1668.79 ms. Allocated memory was 188.7 MB in the beginning and 246.4 MB in the end (delta: 57.7 MB). Free memory was 125.0 MB in the beginning and 107.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 76.8 MB. Max. memory is 8.0 GB. [2021-10-22 15:10:38,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 188.7 MB. Free memory is still 152.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 366.48 ms. Allocated memory is still 188.7 MB. Free memory was 134.7 MB in the beginning and 154.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.49 ms. Allocated memory is still 188.7 MB. Free memory was 154.9 MB in the beginning and 152.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.78 ms. Allocated memory is still 188.7 MB. Free memory was 152.8 MB in the beginning and 151.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 452.59 ms. Allocated memory is still 188.7 MB. Free memory was 151.7 MB in the beginning and 125.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1668.79 ms. Allocated memory was 188.7 MB in the beginning and 246.4 MB in the end (delta: 57.7 MB). Free memory was 125.0 MB in the beginning and 107.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 76.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1697, positive: 1632, positive conditional: 700, positive unconditional: 932, negative: 65, negative conditional: 50, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1655, positive: 1632, positive conditional: 0, positive unconditional: 1632, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 964, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 964, positive: 940, positive conditional: 0, positive unconditional: 940, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1655, positive: 683, positive conditional: 0, positive unconditional: 683, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 964, unknown conditional: 0, unknown unconditional: 964] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 949, Positive conditional cache size: 0, Positive unconditional cache size: 949, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Independence queries for same thread: 42 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 158, Number of persistent set computation: 221, Number of trivial persistent sets: 121, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1697, positive: 1632, positive conditional: 700, positive unconditional: 932, negative: 65, negative conditional: 50, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1655, positive: 1632, positive conditional: 0, positive unconditional: 1632, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 964, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 964, positive: 940, positive conditional: 0, positive unconditional: 940, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1655, positive: 683, positive conditional: 0, positive unconditional: 683, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 964, unknown conditional: 0, unknown unconditional: 964] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 949, Positive conditional cache size: 0, Positive unconditional cache size: 949, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Independence queries for same thread: 42 - 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: 822, positive: 810, positive conditional: 171, positive unconditional: 639, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 818, positive: 810, positive conditional: 0, positive unconditional: 810, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 647, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 647, positive: 637, positive conditional: 0, positive unconditional: 637, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 818, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 647, unknown conditional: 0, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 639, Positive conditional cache size: 0, Positive unconditional cache size: 639, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 84, Number of persistent set computation: 145, Number of trivial persistent sets: 129, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 822, positive: 810, positive conditional: 171, positive unconditional: 639, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 818, positive: 810, positive conditional: 0, positive unconditional: 810, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 647, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 647, positive: 637, positive conditional: 0, positive unconditional: 637, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 818, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 647, unknown conditional: 0, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 639, Positive conditional cache size: 0, Positive unconditional cache size: 639, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 4 - 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: 1748, positive: 1678, positive conditional: 782, positive unconditional: 896, negative: 70, negative conditional: 53, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1708, positive: 1678, positive conditional: 0, positive unconditional: 1678, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 923, positive: 906, positive conditional: 0, positive unconditional: 906, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 923, positive: 893, positive conditional: 0, positive unconditional: 893, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1708, positive: 772, positive conditional: 0, positive unconditional: 772, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 923, unknown conditional: 0, unknown unconditional: 923] , Statistics on independence cache: Total cache size (in pairs): 923, Positive cache size: 906, Positive conditional cache size: 0, Positive unconditional cache size: 906, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Independence queries for same thread: 40 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 92, Number of persistent set computation: 166, Number of trivial persistent sets: 73, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1748, positive: 1678, positive conditional: 782, positive unconditional: 896, negative: 70, negative conditional: 53, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1708, positive: 1678, positive conditional: 0, positive unconditional: 1678, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 923, positive: 906, positive conditional: 0, positive unconditional: 906, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 923, positive: 893, positive conditional: 0, positive unconditional: 893, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1708, positive: 772, positive conditional: 0, positive unconditional: 772, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 923, unknown conditional: 0, unknown unconditional: 923] , Statistics on independence cache: Total cache size (in pairs): 923, Positive cache size: 906, Positive conditional cache size: 0, Positive unconditional cache size: 906, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Independence queries for same thread: 40 - 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: 710]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 702]: 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: de_allocatorThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 999.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.0ms, PartialOrderReductionTime: 358.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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: 14.8ms SsaConstructionTime, 87.6ms SatisfiabilityAnalysisTime, 295.8ms InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 116.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 93.1ms, 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: allocatorThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 443.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 166.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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: 11.1ms SsaConstructionTime, 35.3ms SatisfiabilityAnalysisTime, 135.0ms InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-22 15:10:38,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2021-10-22 15:10:39,107 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 [2021-10-22 15:10:39,307 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 [2021-10-22 15:10:39,508 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...