/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 17:00:42,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 17:00:42,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 17:00:42,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 17:00:42,151 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 17:00:42,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 17:00:42,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 17:00:42,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 17:00:42,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 17:00:42,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 17:00:42,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 17:00:42,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 17:00:42,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 17:00:42,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 17:00:42,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:00:42,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 17:00:42,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 17:00:42,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 17:00:42,171 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 17:00:42,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 17:00:42,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 17:00:42,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 17:00:42,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 17:00:42,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 17:00:42,458 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 17:00:42,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-08-07 17:00:42,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ea33c4a/3d8ea9a1b33c49a188cbb90c98001143/FLAG4d1471ba6 [2021-08-07 17:00:42,821 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 17:00:42,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-08-07 17:00:42,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ea33c4a/3d8ea9a1b33c49a188cbb90c98001143/FLAG4d1471ba6 [2021-08-07 17:00:43,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ea33c4a/3d8ea9a1b33c49a188cbb90c98001143 [2021-08-07 17:00:43,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 17:00:43,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 17:00:43,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 17:00:43,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 17:00:43,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 17:00:43,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf95b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43, skipping insertion in model container [2021-08-07 17:00:43,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 17:00:43,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 17:00:43,538 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-08-07 17:00:43,541 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-08-07 17:00:43,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:00:43,555 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 17:00:43,587 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-08-07 17:00:43,588 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-08-07 17:00:43,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:00:43,614 INFO L208 MainTranslator]: Completed translation [2021-08-07 17:00:43,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43 WrapperNode [2021-08-07 17:00:43,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 17:00:43,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 17:00:43,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 17:00:43,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 17:00:43,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 17:00:43,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 17:00:43,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 17:00:43,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 17:00:43,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 17:00:43,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 17:00:43,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 17:00:43,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 17:00:43,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (1/1) ... [2021-08-07 17:00:43,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:00:43,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:00:43,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 17:00:43,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 17:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-08-07 17:00:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-08-07 17:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 17:00:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-08-07 17:00:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-08-07 17:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 17:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-07 17:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 17:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 17:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 17:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 17:00:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 17:00:43,753 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 17:00:44,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 17:00:44,115 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-07 17:00:44,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:00:44 BoogieIcfgContainer [2021-08-07 17:00:44,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 17:00:44,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 17:00:44,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 17:00:44,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 17:00:44,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:00:43" (1/3) ... [2021-08-07 17:00:44,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d60214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:00:44, skipping insertion in model container [2021-08-07 17:00:44,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:00:43" (2/3) ... [2021-08-07 17:00:44,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d60214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:00:44, skipping insertion in model container [2021-08-07 17:00:44,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:00:44" (3/3) ... [2021-08-07 17:00:44,124 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-08-07 17:00:44,127 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 17:00:44,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 17:00:44,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-07 17:00:44,127 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 17:00:44,153 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,156 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,157 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,158 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,158 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,158 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,158 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,160 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,160 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,163 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,164 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,164 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,164 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,164 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,164 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:00:44,170 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 17:00:44,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:00:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:00:44,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:00:44,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 17:00:44,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == de_allocatorThread1of1ForFork0 ======== [2021-08-07 17:00:44,232 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 17:00:44,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:00:44,387 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:44,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:44,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1195469397, now seen corresponding path program 1 times [2021-08-07 17:00:44,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:44,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34169618] [2021-08-07 17:00:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:44,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:44,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:44,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34169618] [2021-08-07 17:00:44,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34169618] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:44,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:44,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 17:00:44,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278874322] [2021-08-07 17:00:44,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 17:00:44,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:44,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 17:00:44,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 17:00:44,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:44,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:44,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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) [2021-08-07 17:00:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:44,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 17:00:44,733 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:44,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:44,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1120515187, now seen corresponding path program 1 times [2021-08-07 17:00:44,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:44,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129887932] [2021-08-07 17:00:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:44,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:44,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:44,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129887932] [2021-08-07 17:00:44,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129887932] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:44,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:44,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 17:00:44,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882689676] [2021-08-07 17:00:44,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 17:00:44,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:44,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 17:00:44,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 17:00:44,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:44,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:44,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:00:44,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:44,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:44,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:44,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:44,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 17:00:44,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:44,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:44,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1782363351, now seen corresponding path program 2 times [2021-08-07 17:00:44,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:44,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144013379] [2021-08-07 17:00:44,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:44,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:44,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:44,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144013379] [2021-08-07 17:00:44,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144013379] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:44,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:44,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 17:00:44,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191104573] [2021-08-07 17:00:44,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 17:00:44,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:44,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 17:00:44,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 17:00:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:44,943 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:44,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:00:44,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:44,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:44,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:44,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 17:00:44,958 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash 581291891, now seen corresponding path program 1 times [2021-08-07 17:00:44,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:44,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327689566] [2021-08-07 17:00:44,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:44,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:45,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:45,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327689566] [2021-08-07 17:00:45,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327689566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:45,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:45,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 17:00:45,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931633762] [2021-08-07 17:00:45,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 17:00:45,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:45,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 17:00:45,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 17:00:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,013 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:45,014 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) [2021-08-07 17:00:45,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 17:00:45,095 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:00:45,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 17:00:45,100 INFO L308 ceAbstractionStarter]: Result for error location de_allocatorThread1of1ForFork0 was SAFE (1/3) [2021-08-07 17:00:45,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:00:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:00:45,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:00:45,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-07 17:00:45,111 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 17:00:45,111 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 17:00:45,111 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 17:00:45,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 17:00:45,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 17:00:45,202 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-08-07 17:00:45,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:00:45,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:00:45,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:00:45,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-08-07 17:00:45,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == allocatorThread1of1ForFork1 ======== [2021-08-07 17:00:45,211 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 17:00:45,211 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:00:45,254 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:45,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:45,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1259931247, now seen corresponding path program 1 times [2021-08-07 17:00:45,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:45,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974992859] [2021-08-07 17:00:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:45,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:45,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:45,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974992859] [2021-08-07 17:00:45,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974992859] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:45,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:45,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 17:00:45,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906248554] [2021-08-07 17:00:45,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 17:00:45,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:45,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 17:00:45,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 17:00:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:45,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 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) [2021-08-07 17:00:45,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 17:00:45,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 17:00:45,375 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:45,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:45,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2099711885, now seen corresponding path program 1 times [2021-08-07 17:00:45,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:45,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551808523] [2021-08-07 17:00:45,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:45,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:45,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:45,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551808523] [2021-08-07 17:00:45,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551808523] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:45,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:45,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 17:00:45,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837675147] [2021-08-07 17:00:45,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 17:00:45,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:45,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 17:00:45,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 17:00:45,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,428 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:45,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:00:45,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 17:00:45,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 17:00:45,475 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:45,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1899176033, now seen corresponding path program 1 times [2021-08-07 17:00:45,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:45,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282658035] [2021-08-07 17:00:45,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:45,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:45,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:45,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282658035] [2021-08-07 17:00:45,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282658035] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:45,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:45,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 17:00:45,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300612583] [2021-08-07 17:00:45,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 17:00:45,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:45,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 17:00:45,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 17:00:45,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:45,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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) [2021-08-07 17:00:45,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 17:00:45,597 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:00:45,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:00:45,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1273801263, now seen corresponding path program 2 times [2021-08-07 17:00:45,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:00:45,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629173545] [2021-08-07 17:00:45,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:00:45,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:00:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:00:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:00:45,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:00:45,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629173545] [2021-08-07 17:00:45,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629173545] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:00:45,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:00:45,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 17:00:45,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370943545] [2021-08-07 17:00:45,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 17:00:45,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:00:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 17:00:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 17:00:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:00:45,662 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) [2021-08-07 17:00:45,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:00:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:00:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:00:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 17:00:45,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:00:45,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 17:00:45,756 INFO L308 ceAbstractionStarter]: Result for error location allocatorThread1of1ForFork1 was SAFE (3/3) [2021-08-07 17:00:45,756 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 17:00:45,756 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 17:00:45,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 05:00:45 BasicIcfg [2021-08-07 17:00:45,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 17:00:45,759 INFO L168 Benchmark]: Toolchain (without parser) took 2514.60 ms. Allocated memory was 202.4 MB in the beginning and 256.9 MB in the end (delta: 54.5 MB). Free memory was 166.2 MB in the beginning and 230.7 MB in the end (delta: -64.6 MB). Peak memory consumption was 101.8 MB. Max. memory is 8.0 GB. [2021-08-07 17:00:45,759 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 202.4 MB. Free memory is still 184.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 17:00:45,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.05 ms. Allocated memory is still 202.4 MB. Free memory was 166.0 MB in the beginning and 175.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-07 17:00:45,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.48 ms. Allocated memory is still 202.4 MB. Free memory was 175.7 MB in the beginning and 173.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 17:00:45,760 INFO L168 Benchmark]: Boogie Preprocessor took 13.77 ms. Allocated memory is still 202.4 MB. Free memory was 173.6 MB in the beginning and 172.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 17:00:45,760 INFO L168 Benchmark]: RCFGBuilder took 441.70 ms. Allocated memory is still 202.4 MB. Free memory was 172.1 MB in the beginning and 146.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-08-07 17:00:45,760 INFO L168 Benchmark]: TraceAbstraction took 1639.17 ms. Allocated memory was 202.4 MB in the beginning and 256.9 MB in the end (delta: 54.5 MB). Free memory was 146.4 MB in the beginning and 230.7 MB in the end (delta: -84.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 8.0 GB. [2021-08-07 17:00:45,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 202.4 MB. Free memory is still 184.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 368.05 ms. Allocated memory is still 202.4 MB. Free memory was 166.0 MB in the beginning and 175.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.48 ms. Allocated memory is still 202.4 MB. Free memory was 175.7 MB in the beginning and 173.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.77 ms. Allocated memory is still 202.4 MB. Free memory was 173.6 MB in the beginning and 172.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 441.70 ms. Allocated memory is still 202.4 MB. Free memory was 172.1 MB in the beginning and 146.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1639.17 ms. Allocated memory was 202.4 MB in the beginning and 256.9 MB in the end (delta: 54.5 MB). Free memory was 146.4 MB in the beginning and 230.7 MB in the end (delta: -84.3 MB). Peak memory consumption was 82.4 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: 1753, positive: 1689, positive conditional: 503, positive unconditional: 1186, negative: 64, negative conditional: 50, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1717, positive: 1689, positive conditional: 503, positive unconditional: 1186, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1717, positive: 1689, positive conditional: 503, positive unconditional: 1186, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1747, positive: 1689, positive conditional: 464, positive unconditional: 1225, negative: 58, negative conditional: 30, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1747, positive: 1689, positive conditional: 50, positive unconditional: 1639, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1747, positive: 1689, positive conditional: 50, positive unconditional: 1639, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1210, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1210, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 45, negative conditional: 14, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1747, positive: 496, positive conditional: 50, positive unconditional: 446, negative: 41, negative conditional: 1, negative unconditional: 40, unknown: 1210, unknown conditional: 3, unknown unconditional: 1207] , Statistics on independence cache: Total cache size (in pairs): 1210, Positive cache size: 1193, Positive conditional cache size: 0, Positive unconditional cache size: 1193, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Eliminated conditions: 440, Maximal queried relation: 4, Independence queries for same thread: 36 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 130, Number of persistent set computation: 185, Number of trivial persistent sets: 127, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1200, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1753, positive: 1689, positive conditional: 503, positive unconditional: 1186, negative: 64, negative conditional: 50, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1717, positive: 1689, positive conditional: 503, positive unconditional: 1186, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1717, positive: 1689, positive conditional: 503, positive unconditional: 1186, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1747, positive: 1689, positive conditional: 464, positive unconditional: 1225, negative: 58, negative conditional: 30, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1747, positive: 1689, positive conditional: 50, positive unconditional: 1639, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1747, positive: 1689, positive conditional: 50, positive unconditional: 1639, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1210, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1210, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 45, negative conditional: 14, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1747, positive: 496, positive conditional: 50, positive unconditional: 446, negative: 41, negative conditional: 1, negative unconditional: 40, unknown: 1210, unknown conditional: 3, unknown unconditional: 1207] , Statistics on independence cache: Total cache size (in pairs): 1210, Positive cache size: 1193, Positive conditional cache size: 0, Positive unconditional cache size: 1193, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Eliminated conditions: 440, Maximal queried relation: 4, Independence queries for same thread: 36 - 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: 998, positive: 973, positive conditional: 97, positive unconditional: 876, negative: 25, negative conditional: 17, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 97, positive unconditional: 876, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 97, positive unconditional: 876, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 0, positive unconditional: 973, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 981, positive: 973, positive conditional: 0, positive unconditional: 973, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 0, positive unconditional: 973, 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: 884, positive: 876, positive conditional: 0, positive unconditional: 876, 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: 884, positive: 874, positive conditional: 0, positive unconditional: 874, 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: 36, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 981, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 884, unknown conditional: 0, unknown unconditional: 884] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 876, Positive conditional cache size: 0, Positive unconditional cache size: 876, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 59, Number of persistent set computation: 135, Number of trivial persistent sets: 135, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 884, positive: 876, positive conditional: 0, positive unconditional: 876, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 998, positive: 973, positive conditional: 97, positive unconditional: 876, negative: 25, negative conditional: 17, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 97, positive unconditional: 876, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 97, positive unconditional: 876, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 0, positive unconditional: 973, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 981, positive: 973, positive conditional: 0, positive unconditional: 973, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 981, positive: 973, positive conditional: 0, positive unconditional: 973, 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: 884, positive: 876, positive conditional: 0, positive unconditional: 876, 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: 884, positive: 874, positive conditional: 0, positive unconditional: 874, 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: 36, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 981, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 884, unknown conditional: 0, unknown unconditional: 884] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 876, Positive conditional cache size: 0, Positive unconditional cache size: 876, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 17 - 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: 1555, positive: 1507, positive conditional: 373, positive unconditional: 1134, negative: 48, negative conditional: 33, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1529, positive: 1507, positive conditional: 373, positive unconditional: 1134, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1529, positive: 1507, positive conditional: 373, positive unconditional: 1134, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1551, positive: 1507, positive conditional: 353, positive unconditional: 1154, negative: 44, negative conditional: 22, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1551, positive: 1507, positive conditional: 90, positive unconditional: 1417, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1551, positive: 1507, positive conditional: 90, positive unconditional: 1417, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1160, positive: 1141, positive conditional: 1, positive unconditional: 1140, negative: 19, negative conditional: 4, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1160, positive: 1131, positive conditional: 0, positive unconditional: 1131, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 19, negative conditional: 4, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 27, positive conditional: 1, positive unconditional: 26, negative: 69, negative conditional: 10, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1551, positive: 366, positive conditional: 89, positive unconditional: 277, negative: 25, negative conditional: 1, negative unconditional: 24, unknown: 1160, unknown conditional: 5, unknown unconditional: 1155] , Statistics on independence cache: Total cache size (in pairs): 1160, Positive cache size: 1141, Positive conditional cache size: 1, Positive unconditional cache size: 1140, Negative cache size: 19, Negative conditional cache size: 4, Negative unconditional cache size: 15, Eliminated conditions: 280, Maximal queried relation: 4, Independence queries for same thread: 26 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 98, Number of persistent set computation: 140, Number of trivial persistent sets: 73, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1149, positive: 1134, positive conditional: 0, positive unconditional: 1134, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1555, positive: 1507, positive conditional: 373, positive unconditional: 1134, negative: 48, negative conditional: 33, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1529, positive: 1507, positive conditional: 373, positive unconditional: 1134, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1529, positive: 1507, positive conditional: 373, positive unconditional: 1134, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1551, positive: 1507, positive conditional: 353, positive unconditional: 1154, negative: 44, negative conditional: 22, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1551, positive: 1507, positive conditional: 90, positive unconditional: 1417, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1551, positive: 1507, positive conditional: 90, positive unconditional: 1417, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1160, positive: 1141, positive conditional: 1, positive unconditional: 1140, negative: 19, negative conditional: 4, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1160, positive: 1131, positive conditional: 0, positive unconditional: 1131, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 19, negative conditional: 4, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 27, positive conditional: 1, positive unconditional: 26, negative: 69, negative conditional: 10, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1551, positive: 366, positive conditional: 89, positive unconditional: 277, negative: 25, negative conditional: 1, negative unconditional: 24, unknown: 1160, unknown conditional: 5, unknown unconditional: 1155] , Statistics on independence cache: Total cache size (in pairs): 1160, Positive cache size: 1141, Positive conditional cache size: 1, Positive unconditional cache size: 1140, Negative cache size: 19, Negative conditional cache size: 4, Negative unconditional cache size: 15, Eliminated conditions: 280, Maximal queried relation: 4, Independence queries for same thread: 26 - 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: 902.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 322.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 12.0ms SsaConstructionTime, 95.1ms SatisfiabilityAnalysisTime, 293.1ms InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - 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: 100.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 87.1ms, 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: 552.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 309.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 13.1ms SsaConstructionTime, 24.1ms SatisfiabilityAnalysisTime, 158.1ms InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 17:00:45,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-08-07 17:00:46,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-07 17:00:46,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 17:00:46,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...