/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/add-sub12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 00:00:37,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 00:00:37,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 00:00:37,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 00:00:38,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 00:00:38,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 00:00:38,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 00:00:38,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-08-23 00:00:38,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 00:00:38,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 00:00:38,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 00:00:38,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 00:00:38,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 00:00:38,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 00:00:38,109 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 00:00:38,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 00:00:38,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 00:00:38,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 00:00:38,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 00:00:38,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 00:00:38,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 00:00:38,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 00:00:38,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 00:00:38,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 00:00:38,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 00:00:38,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 00:00:38,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 00:00:38,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 00:00:38,114 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 00:00:38,114 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 00:00:38,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 00:00:38,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 00:00:38,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 00:00:38,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 00:00:38,429 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 00:00:38,430 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 00:00:38,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub12.bpl [2021-08-23 00:00:38,432 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub12.bpl' [2021-08-23 00:00:38,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 00:00:38,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 00:00:38,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 00:00:38,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 00:00:38,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 00:00:38,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 00:00:38,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 00:00:38,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 00:00:38,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 00:00:38,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 00:00:38,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 00:00:38,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 00:00:38,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 00:00:38,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/1) ... [2021-08-23 00:00:38,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 00:00:38,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 00:00:38,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-23 00:00:38,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-23 00:00:38,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 00:00:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 00:00:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 00:00:38,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-08-23 00:00:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-08-23 00:00:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-08-23 00:00:38,614 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 00:00:38,820 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 00:00:38,820 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-23 00:00:38,822 INFO L202 PluginConnector]: Adding new model add-sub12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 12:00:38 BoogieIcfgContainer [2021-08-23 00:00:38,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 00:00:38,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 00:00:38,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 00:00:38,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 00:00:38,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 12:00:38" (1/2) ... [2021-08-23 00:00:38,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d9ca40 and model type add-sub12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 12:00:38, skipping insertion in model container [2021-08-23 00:00:38,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 12:00:38" (2/2) ... [2021-08-23 00:00:38,838 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub12.bpl [2021-08-23 00:00:38,843 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 00:00:38,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 00:00:38,843 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 00:00:38,844 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 00:00:38,970 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,970 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,970 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,970 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,971 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,971 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,971 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,971 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,971 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,972 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,972 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,972 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,972 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,973 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,973 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,973 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,973 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,973 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,974 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,974 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,974 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,974 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,974 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,975 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,975 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,975 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,975 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,975 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,976 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,976 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,976 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,976 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,976 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,977 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,977 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,977 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,977 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,977 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,978 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,978 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,978 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,978 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,979 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,979 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,979 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,979 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,979 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,980 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,980 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,980 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,980 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,980 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,981 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,981 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,981 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,981 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,982 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,982 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,982 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,982 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,982 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,983 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,983 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,983 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,983 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,984 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,984 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,984 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,984 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,984 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,985 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,985 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,988 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,991 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,994 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,996 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:38,999 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,002 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,006 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,010 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,015 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,026 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,031 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,036 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 00:00:39,078 INFO L148 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2021-08-23 00:00:39,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 00:00:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 00:00:39,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 00:00:39,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-23 00:00:39,174 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 00:00:39,182 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-23 00:00:39,183 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-08-23 00:00:40,169 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:40,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1869972189, now seen corresponding path program 1 times [2021-08-23 00:00:40,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:40,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611767972] [2021-08-23 00:00:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:40,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 00:00:40,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:40,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611767972] [2021-08-23 00:00:40,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611767972] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:40,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:40,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-23 00:00:40,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427587482] [2021-08-23 00:00:40,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 00:00:40,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:40,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 00:00:40,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 00:00:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:40,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:40,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:40,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:40,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 00:00:40,448 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:40,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1420611915, now seen corresponding path program 1 times [2021-08-23 00:00:40,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:40,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340051034] [2021-08-23 00:00:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:40,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 00:00:40,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:40,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340051034] [2021-08-23 00:00:40,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340051034] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:40,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:40,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 00:00:40,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865218486] [2021-08-23 00:00:40,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 00:00:40,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 00:00:40,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-23 00:00:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:40,554 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:40,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:40,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 00:00:40,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash -170019743, now seen corresponding path program 1 times [2021-08-23 00:00:40,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:40,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974890336] [2021-08-23 00:00:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:40,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 00:00:40,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:40,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974890336] [2021-08-23 00:00:40,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974890336] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:40,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:40,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 00:00:40,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085334561] [2021-08-23 00:00:40,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-23 00:00:40,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:40,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-23 00:00:40,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-23 00:00:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:40,822 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:40,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:40,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:40,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:40,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:40,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 00:00:40,928 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:40,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:40,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1618614073, now seen corresponding path program 1 times [2021-08-23 00:00:40,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:40,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217143853] [2021-08-23 00:00:40,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:40,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 00:00:41,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:41,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217143853] [2021-08-23 00:00:41,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217143853] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:41,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:41,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-23 00:00:41,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212228247] [2021-08-23 00:00:41,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 00:00:41,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 00:00:41,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-23 00:00:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:41,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:41,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:41,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 00:00:41,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:41,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash -2011708443, now seen corresponding path program 1 times [2021-08-23 00:00:41,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:41,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982797756] [2021-08-23 00:00:41,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:41,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 00:00:41,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:41,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982797756] [2021-08-23 00:00:41,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982797756] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:41,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:41,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-23 00:00:41,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749267522] [2021-08-23 00:00:41,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-23 00:00:41,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:41,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-23 00:00:41,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-23 00:00:41,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:41,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:41,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:41,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:41,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:41,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:41,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:41,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:41,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:41,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-23 00:00:41,546 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:41,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:41,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1869365827, now seen corresponding path program 1 times [2021-08-23 00:00:41,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:41,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919962241] [2021-08-23 00:00:41,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:41,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-23 00:00:41,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:41,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919962241] [2021-08-23 00:00:41,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919962241] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:41,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:41,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 00:00:41,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290156803] [2021-08-23 00:00:41,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-23 00:00:41,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:41,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-23 00:00:41,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-23 00:00:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:41,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:41,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:41,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-23 00:00:41,913 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:41,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:41,914 INFO L82 PathProgramCache]: Analyzing trace with hash 9793897, now seen corresponding path program 1 times [2021-08-23 00:00:41,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:41,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051315173] [2021-08-23 00:00:41,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:41,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 00:00:42,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:42,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051315173] [2021-08-23 00:00:42,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051315173] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:42,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:42,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-23 00:00:42,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134767297] [2021-08-23 00:00:42,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-23 00:00:42,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:42,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-23 00:00:42,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-23 00:00:42,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:42,076 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:42,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:42,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:42,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:42,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:42,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:42,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:42,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-23 00:00:42,250 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:42,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:42,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1930304959, now seen corresponding path program 1 times [2021-08-23 00:00:42,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:42,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334317115] [2021-08-23 00:00:42,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:42,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-23 00:00:42,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:42,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334317115] [2021-08-23 00:00:42,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334317115] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:42,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:42,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-23 00:00:42,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840882127] [2021-08-23 00:00:42,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-23 00:00:42,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:42,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-23 00:00:42,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-08-23 00:00:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:42,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:42,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 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) [2021-08-23 00:00:42,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:42,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:42,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:42,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-23 00:00:42,650 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:42,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash -997688083, now seen corresponding path program 1 times [2021-08-23 00:00:42,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:42,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658313360] [2021-08-23 00:00:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:42,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-23 00:00:42,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:42,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658313360] [2021-08-23 00:00:42,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658313360] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:42,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:42,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-23 00:00:42,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740915309] [2021-08-23 00:00:42,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 00:00:42,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:42,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 00:00:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-08-23 00:00:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:42,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:42,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:42,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:42,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:42,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:42,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:43,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-23 00:00:43,121 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:43,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:43,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1415166779, now seen corresponding path program 1 times [2021-08-23 00:00:43,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:43,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624226554] [2021-08-23 00:00:43,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:43,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-23 00:00:43,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:43,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624226554] [2021-08-23 00:00:43,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624226554] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:43,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:43,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-23 00:00:43,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080763] [2021-08-23 00:00:43,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-23 00:00:43,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:43,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-23 00:00:43,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-08-23 00:00:43,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:43,358 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:43,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:43,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:43,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-23 00:00:43,596 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:43,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:43,597 INFO L82 PathProgramCache]: Analyzing trace with hash 937600625, now seen corresponding path program 1 times [2021-08-23 00:00:43,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:43,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262792408] [2021-08-23 00:00:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:43,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-23 00:00:43,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:43,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262792408] [2021-08-23 00:00:43,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262792408] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:43,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:43,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-23 00:00:43,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243174237] [2021-08-23 00:00:43,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-23 00:00:43,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:43,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-23 00:00:43,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-08-23 00:00:43,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:43,843 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:43,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 00:00:44,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-23 00:00:44,088 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:44,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1149065911, now seen corresponding path program 1 times [2021-08-23 00:00:44,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:44,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151709928] [2021-08-23 00:00:44,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:44,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-23 00:00:44,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:44,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151709928] [2021-08-23 00:00:44,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151709928] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:44,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:44,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-23 00:00:44,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923962927] [2021-08-23 00:00:44,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-23 00:00:44,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:44,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-23 00:00:44,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-08-23 00:00:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:44,338 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:44,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:44,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:44,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 00:00:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 00:00:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 00:00:44,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-23 00:00:44,673 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-23 00:00:44,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 00:00:44,673 INFO L82 PathProgramCache]: Analyzing trace with hash 827698677, now seen corresponding path program 1 times [2021-08-23 00:00:44,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 00:00:44,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140398697] [2021-08-23 00:00:44,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 00:00:44,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 00:00:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 00:00:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-23 00:00:44,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 00:00:44,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140398697] [2021-08-23 00:00:44,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140398697] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 00:00:44,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 00:00:44,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-08-23 00:00:44,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127864381] [2021-08-23 00:00:44,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-23 00:00:44,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 00:00:44,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-23 00:00:44,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-08-23 00:00:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:44,963 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 00:00:44,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:44,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 00:00:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 00:00:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 00:00:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 00:00:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 00:00:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-23 00:00:45,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-23 00:00:45,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-23 00:00:45,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-23 00:00:45,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-23 00:00:45,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION [2021-08-23 00:00:45,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11INUSE_VIOLATION [2021-08-23 00:00:45,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-23 00:00:45,560 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 00:00:45,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 00:00:45,562 INFO L202 PluginConnector]: Adding new model add-sub12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 12:00:45 BasicIcfg [2021-08-23 00:00:45,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 00:00:45,564 INFO L168 Benchmark]: Toolchain (without parser) took 7109.32 ms. Allocated memory was 255.9 MB in the beginning and 451.9 MB in the end (delta: 196.1 MB). Free memory was 235.8 MB in the beginning and 231.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 201.8 MB. Max. memory is 8.0 GB. [2021-08-23 00:00:45,564 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory was 236.9 MB in the beginning and 236.8 MB in the end (delta: 80.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 00:00:45,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.28 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 00:00:45,565 INFO L168 Benchmark]: Boogie Preprocessor took 19.80 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 00:00:45,565 INFO L168 Benchmark]: RCFGBuilder took 317.38 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 222.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-08-23 00:00:45,566 INFO L168 Benchmark]: TraceAbstraction took 6739.35 ms. Allocated memory was 255.9 MB in the beginning and 451.9 MB in the end (delta: 196.1 MB). Free memory was 222.4 MB in the beginning and 231.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 188.1 MB. Max. memory is 8.0 GB. [2021-08-23 00:00:45,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory was 236.9 MB in the beginning and 236.8 MB in the end (delta: 80.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.28 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.80 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 317.38 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 222.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6739.35 ms. Allocated memory was 255.9 MB in the beginning and 451.9 MB in the end (delta: 196.1 MB). Free memory was 222.4 MB in the beginning and 231.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 188.1 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: 104068, positive: 98321, positive conditional: 93618, positive unconditional: 4703, negative: 5747, negative conditional: 5736, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 93618, positive unconditional: 4703, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 93618, positive unconditional: 4703, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 76430, positive unconditional: 21891, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 4244, positive unconditional: 94077, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 4244, positive unconditional: 94077, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4334, positive: 4323, positive conditional: 0, positive unconditional: 4323, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4334, positive: 4048, positive conditional: 0, positive unconditional: 4048, negative: 286, negative conditional: 0, negative unconditional: 286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, positive: 582, positive conditional: 0, positive unconditional: 582, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 98332, positive: 93998, positive conditional: 4244, positive unconditional: 89754, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4334, unknown conditional: 0, unknown unconditional: 4334] , Statistics on independence cache: Total cache size (in pairs): 4334, Positive cache size: 4323, Positive conditional cache size: 0, Positive unconditional cache size: 4323, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Eliminated conditions: 72186, Maximal queried relation: 0, Independence queries for same thread: 5736 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 786, Number of persistent set computation: 62, Number of trivial persistent sets: 15, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4714, positive: 4703, positive conditional: 0, positive unconditional: 4703, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 104068, positive: 98321, positive conditional: 93618, positive unconditional: 4703, negative: 5747, negative conditional: 5736, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 93618, positive unconditional: 4703, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 93618, positive unconditional: 4703, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 76430, positive unconditional: 21891, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 4244, positive unconditional: 94077, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98332, positive: 98321, positive conditional: 4244, positive unconditional: 94077, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4334, positive: 4323, positive conditional: 0, positive unconditional: 4323, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4334, positive: 4048, positive conditional: 0, positive unconditional: 4048, negative: 286, negative conditional: 0, negative unconditional: 286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 286, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, positive: 582, positive conditional: 0, positive unconditional: 582, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 98332, positive: 93998, positive conditional: 4244, positive unconditional: 89754, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4334, unknown conditional: 0, unknown unconditional: 4334] , Statistics on independence cache: Total cache size (in pairs): 4334, Positive cache size: 4323, Positive conditional cache size: 0, Positive unconditional cache size: 4323, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Eliminated conditions: 72186, Maximal queried relation: 0, Independence queries for same thread: 5736 - 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: 34]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 14 procedures, 93 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 6432.4ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.0ms, PartialOrderReductionTime: 3684.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 117, 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: 35.2ms SsaConstructionTime, 157.6ms SatisfiabilityAnalysisTime, 2253.8ms InterpolantComputationTime, 728 NumberOfCodeBlocks, 728 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 715 ConstructedInterpolants, 0 QuantifiedInterpolants, 4857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 78/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-23 00:00:45,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-23 00:00:45,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...