/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/add-sub21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-24 23:40:50,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 23:40:50,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 23:40:50,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-24 23:40:50,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf [2021-10-24 23:40:50,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 23:40:50,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 23:40:50,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 23:40:50,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 23:40:50,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 23:40:50,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 23:40:50,422 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 23:40:50,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 23:40:50,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 23:40:50,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 23:40:50,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 23:40:50,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 23:40:50,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 23:40:50,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 23:40:50,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 23:40:50,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 23:40:50,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 23:40:50,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 23:40:50,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 23:40:50,426 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-24 23:40:50,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 23:40:50,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 23:40:50,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 23:40:50,646 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-24 23:40:50,647 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-24 23:40:50,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub21.bpl [2021-10-24 23:40:50,647 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub21.bpl' [2021-10-24 23:40:50,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 23:40:50,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-24 23:40:50,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 23:40:50,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 23:40:50,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 23:40:50,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 23:40:50,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 23:40:50,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 23:40:50,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 23:40:50,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 23:40:50,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 23:40:50,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 23:40:50,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 23:40:50,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/1) ... [2021-10-24 23:40:50,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 23:40:50,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-24 23:40:50,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 23:40:50,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 23:40:50,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-24 23:40:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 23:40:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 23:40:50,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-10-24 23:40:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-10-24 23:40:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-10-24 23:40:50,804 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 23:40:51,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 23:40:51,044 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-24 23:40:51,046 INFO L202 PluginConnector]: Adding new model add-sub21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:40:51 BoogieIcfgContainer [2021-10-24 23:40:51,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 23:40:51,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 23:40:51,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 23:40:51,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 23:40:51,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:40:50" (1/2) ... [2021-10-24 23:40:51,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5064fa6d and model type add-sub21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:40:51, skipping insertion in model container [2021-10-24 23:40:51,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:40:51" (2/2) ... [2021-10-24 23:40:51,055 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub21.bpl [2021-10-24 23:40:51,062 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 23:40:51,062 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 23:40:51,063 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 23:40:51,063 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 23:40:51,342 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,343 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,343 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,343 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,343 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,343 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,344 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,345 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,346 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,346 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,346 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,346 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,346 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,346 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,347 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,348 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,349 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,350 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,351 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,352 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,353 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,354 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,357 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,357 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,357 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,358 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,359 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,360 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,360 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,361 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,361 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,362 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,362 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,362 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,363 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,364 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,364 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,364 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,364 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,365 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,366 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,366 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,367 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,367 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,367 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,368 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,369 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,369 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,369 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,370 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,371 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,373 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,373 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,373 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,373 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,376 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,382 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,384 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,386 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,389 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,392 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,394 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,399 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,401 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,406 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,409 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,416 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,420 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,423 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,425 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,428 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,430 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork16_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,435 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork17_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,440 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork18_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,444 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork19_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,449 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork20_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 23:40:51,489 INFO L148 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2021-10-24 23:40:51,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-24 23:40:51,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-24 23:40:51,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-24 23:40:51,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-24 23:40:51,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-24 23:40:51,545 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 23:40:51,545 INFO L340 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2021-10-24 23:40:52,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:52,696 INFO L82 PathProgramCache]: Analyzing trace with hash -715691016, now seen corresponding path program 1 times [2021-10-24 23:40:52,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:52,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153244264] [2021-10-24 23:40:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:52,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 23:40:52,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:52,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153244264] [2021-10-24 23:40:52,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153244264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:52,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:52,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 23:40:52,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908959433] [2021-10-24 23:40:52,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 23:40:52,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 23:40:53,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 23:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:53,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 2 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) [2021-10-24 23:40:53,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 23:40:53,087 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:53,088 INFO L82 PathProgramCache]: Analyzing trace with hash -689029758, now seen corresponding path program 1 times [2021-10-24 23:40:53,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:53,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869886487] [2021-10-24 23:40:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:53,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-24 23:40:53,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:53,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869886487] [2021-10-24 23:40:53,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869886487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:53,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:53,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 23:40:53,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025671380] [2021-10-24 23:40:53,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 23:40:53,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:53,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 23:40:53,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 23:40:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:53,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2021-10-24 23:40:53,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:53,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 23:40:53,379 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:53,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:53,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1541369596, now seen corresponding path program 1 times [2021-10-24 23:40:53,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:53,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674562489] [2021-10-24 23:40:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:53,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-24 23:40:53,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:53,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674562489] [2021-10-24 23:40:53,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674562489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:53,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:53,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 23:40:53,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216039272] [2021-10-24 23:40:53,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 23:40:53,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:53,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 23:40:53,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 23:40:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,487 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:53,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 4 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) [2021-10-24 23:40:53,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:53,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:53,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 23:40:53,587 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:53,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash -127323266, now seen corresponding path program 1 times [2021-10-24 23:40:53,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:53,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826009846] [2021-10-24 23:40:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:53,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 23:40:53,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:53,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826009846] [2021-10-24 23:40:53,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826009846] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:53,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:53,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 23:40:53,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117830999] [2021-10-24 23:40:53,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 23:40:53,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:53,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 23:40:53,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 23:40:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:53,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 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) [2021-10-24 23:40:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:53,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 23:40:53,838 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:53,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:53,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1811148800, now seen corresponding path program 1 times [2021-10-24 23:40:53,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:53,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370176173] [2021-10-24 23:40:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:53,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 23:40:53,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:53,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370176173] [2021-10-24 23:40:53,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370176173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:53,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:53,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-24 23:40:53,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540656925] [2021-10-24 23:40:53,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 23:40:53,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:53,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 23:40:53,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-24 23:40:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:53,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:53,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:54,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 23:40:54,086 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:54,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:54,086 INFO L82 PathProgramCache]: Analyzing trace with hash -830813318, now seen corresponding path program 1 times [2021-10-24 23:40:54,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:54,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104491923] [2021-10-24 23:40:54,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:54,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 23:40:54,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:54,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104491923] [2021-10-24 23:40:54,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104491923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:54,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:54,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 23:40:54,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049517490] [2021-10-24 23:40:54,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 23:40:54,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 23:40:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-24 23:40:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:54,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:54,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:54,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:54,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:54,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:54,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:54,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:54,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:54,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 23:40:54,380 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:54,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:54,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1442754308, now seen corresponding path program 1 times [2021-10-24 23:40:54,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:54,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828464601] [2021-10-24 23:40:54,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:54,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 23:40:54,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:54,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828464601] [2021-10-24 23:40:54,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828464601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:54,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:54,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-24 23:40:54,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444268974] [2021-10-24 23:40:54,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 23:40:54,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:54,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 23:40:54,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-24 23:40:54,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:54,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:54,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:54,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 23:40:54,788 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:54,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:54,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1087980918, now seen corresponding path program 1 times [2021-10-24 23:40:54,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:54,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244172171] [2021-10-24 23:40:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:54,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 23:40:54,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:54,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244172171] [2021-10-24 23:40:54,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244172171] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:54,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:54,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-24 23:40:54,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515560295] [2021-10-24 23:40:54,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 23:40:54,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:54,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 23:40:54,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-24 23:40:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:54,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:54,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:54,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:54,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:54,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:55,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-24 23:40:55,140 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:55,140 INFO L82 PathProgramCache]: Analyzing trace with hash -148280312, now seen corresponding path program 1 times [2021-10-24 23:40:55,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:55,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149490808] [2021-10-24 23:40:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:55,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 23:40:55,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:55,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149490808] [2021-10-24 23:40:55,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149490808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:55,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:55,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-24 23:40:55,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173581990] [2021-10-24 23:40:55,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-24 23:40:55,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:55,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-24 23:40:55,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-10-24 23:40:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:55,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:55,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:55,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:55,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:55,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:55,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:55,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:55,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:55,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:55,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:55,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:55,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-24 23:40:55,597 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:55,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:55,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1887101298, now seen corresponding path program 1 times [2021-10-24 23:40:55,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:55,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840878746] [2021-10-24 23:40:55,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:55,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-24 23:40:55,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:55,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840878746] [2021-10-24 23:40:55,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840878746] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:55,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:55,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-24 23:40:55,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836039551] [2021-10-24 23:40:55,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-24 23:40:55,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:55,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-24 23:40:55,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-10-24 23:40:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:55,752 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:55,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:55,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:56,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:56,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-24 23:40:56,068 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:56,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:56,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1386354932, now seen corresponding path program 1 times [2021-10-24 23:40:56,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:56,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621991035] [2021-10-24 23:40:56,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:56,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 23:40:56,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:56,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621991035] [2021-10-24 23:40:56,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621991035] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:56,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:56,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-24 23:40:56,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921651413] [2021-10-24 23:40:56,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-24 23:40:56,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:56,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-24 23:40:56,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-10-24 23:40:56,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:56,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:56,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:56,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:56,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-24 23:40:56,600 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:56,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:56,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1013588114, now seen corresponding path program 1 times [2021-10-24 23:40:56,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:56,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787616488] [2021-10-24 23:40:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:56,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 23:40:56,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:56,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787616488] [2021-10-24 23:40:56,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787616488] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:56,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:56,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-24 23:40:56,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797106419] [2021-10-24 23:40:56,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-24 23:40:56,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-24 23:40:56,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-10-24 23:40:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:56,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:56,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:57,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-24 23:40:57,191 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:57,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:57,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1262870544, now seen corresponding path program 1 times [2021-10-24 23:40:57,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:57,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478561615] [2021-10-24 23:40:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:57,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 23:40:57,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:57,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478561615] [2021-10-24 23:40:57,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478561615] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:57,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:57,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-24 23:40:57,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370211084] [2021-10-24 23:40:57,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-24 23:40:57,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:57,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-24 23:40:57,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-10-24 23:40:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:57,436 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:57,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 14 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:57,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:57,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:57,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:57,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:57,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:57,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:40:57,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-24 23:40:57,798 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:57,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:57,799 INFO L82 PathProgramCache]: Analyzing trace with hash -241139862, now seen corresponding path program 1 times [2021-10-24 23:40:57,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:57,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886024837] [2021-10-24 23:40:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:57,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 23:40:58,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:58,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886024837] [2021-10-24 23:40:58,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886024837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:58,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:58,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-24 23:40:58,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125834502] [2021-10-24 23:40:58,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-24 23:40:58,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:58,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-24 23:40:58,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-10-24 23:40:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:58,025 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:58,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:58,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:58,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:40:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:58,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:58,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:58,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:40:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:40:58,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-24 23:40:58,511 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:58,511 INFO L82 PathProgramCache]: Analyzing trace with hash 206247700, now seen corresponding path program 1 times [2021-10-24 23:40:58,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:58,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640575391] [2021-10-24 23:40:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:58,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-24 23:40:58,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:58,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640575391] [2021-10-24 23:40:58,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640575391] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:58,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:58,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-24 23:40:58,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608599181] [2021-10-24 23:40:58,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-24 23:40:58,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:58,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-24 23:40:58,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-10-24 23:40:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:58,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:58,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.6875) internal successors, (107), 16 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:58,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:40:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:40:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:40:59,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:40:59,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-24 23:40:59,280 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:40:59,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:40:59,280 INFO L82 PathProgramCache]: Analyzing trace with hash 256967014, now seen corresponding path program 1 times [2021-10-24 23:40:59,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:40:59,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233095318] [2021-10-24 23:40:59,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:40:59,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:40:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:40:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 23:40:59,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:40:59,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233095318] [2021-10-24 23:40:59,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233095318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:40:59,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:40:59,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-24 23:40:59,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923778574] [2021-10-24 23:40:59,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-24 23:40:59,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:40:59,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-24 23:40:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2021-10-24 23:40:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:40:59,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:40:59,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.470588235294118) internal successors, (110), 17 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:40:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:40:59,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:00,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-24 23:41:00,092 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:41:00,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:41:00,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2003350504, now seen corresponding path program 1 times [2021-10-24 23:41:00,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:41:00,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058588893] [2021-10-24 23:41:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:41:00,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:41:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:41:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-24 23:41:00,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:41:00,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058588893] [2021-10-24 23:41:00,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058588893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:41:00,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:41:00,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-10-24 23:41:00,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743537221] [2021-10-24 23:41:00,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-24 23:41:00,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:41:00,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-24 23:41:00,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-10-24 23:41:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:00,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:41:00,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:00,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:00,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-24 23:41:00,943 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:41:00,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:41:00,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1700944542, now seen corresponding path program 1 times [2021-10-24 23:41:00,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:41:00,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797233499] [2021-10-24 23:41:00,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:41:00,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:41:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:41:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-24 23:41:01,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:41:01,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797233499] [2021-10-24 23:41:01,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797233499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:41:01,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:41:01,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-10-24 23:41:01,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006975499] [2021-10-24 23:41:01,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-24 23:41:01,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:41:01,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-24 23:41:01,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2021-10-24 23:41:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:01,275 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:41:01,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.105263157894737) internal successors, (116), 19 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:01,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:01,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-24 23:41:01,835 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:41:01,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:41:01,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1458290916, now seen corresponding path program 1 times [2021-10-24 23:41:01,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:41:01,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063885066] [2021-10-24 23:41:01,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:41:01,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:41:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:41:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-24 23:41:02,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:41:02,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063885066] [2021-10-24 23:41:02,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063885066] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:41:02,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:41:02,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-24 23:41:02,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392085977] [2021-10-24 23:41:02,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-24 23:41:02,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:41:02,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-24 23:41:02,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-10-24 23:41:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:02,158 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:41:02,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:02,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:02,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:02,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-24 23:41:02,686 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:41:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:41:02,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2034455714, now seen corresponding path program 1 times [2021-10-24 23:41:02,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:41:02,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659632196] [2021-10-24 23:41:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:41:02,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:41:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:41:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-24 23:41:03,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:41:03,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659632196] [2021-10-24 23:41:03,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659632196] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:41:03,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:41:03,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-24 23:41:03,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496779450] [2021-10-24 23:41:03,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-24 23:41:03,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:41:03,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-24 23:41:03,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2021-10-24 23:41:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:03,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:41:03,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.809523809523809) internal successors, (122), 21 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-24 23:41:03,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-24 23:41:03,778 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:41:03,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:41:03,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1687441376, now seen corresponding path program 1 times [2021-10-24 23:41:03,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:41:03,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481894222] [2021-10-24 23:41:03,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:41:03,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:41:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:41:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 23:41:04,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:41:04,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481894222] [2021-10-24 23:41:04,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481894222] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:41:04,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:41:04,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-24 23:41:04,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266355892] [2021-10-24 23:41:04,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-24 23:41:04,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:41:04,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-24 23:41:04,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2021-10-24 23:41:04,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:04,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:41:04,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:41:04,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-24 23:41:04,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-24 23:41:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-24 23:41:04,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-24 23:41:04,922 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 18 more)] === [2021-10-24 23:41:04,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 23:41:04,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1210340186, now seen corresponding path program 1 times [2021-10-24 23:41:04,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 23:41:04,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945113222] [2021-10-24 23:41:04,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 23:41:04,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 23:41:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 23:41:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-24 23:41:05,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 23:41:05,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945113222] [2021-10-24 23:41:05,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945113222] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 23:41:05,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 23:41:05,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-24 23:41:05,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142939242] [2021-10-24 23:41:05,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-24 23:41:05,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 23:41:05,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-24 23:41:05,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2021-10-24 23:41:05,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:05,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 23:41:05,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.565217391304348) internal successors, (128), 23 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-24 23:41:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-24 23:41:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 23:41:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-24 23:41:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-24 23:41:07,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-24 23:41:07,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12INUSE_VIOLATION [2021-10-24 23:41:07,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19INUSE_VIOLATION [2021-10-24 23:41:07,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20INUSE_VIOLATION [2021-10-24 23:41:07,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-24 23:41:07,130 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 23:41:07,130 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 23:41:07,131 INFO L202 PluginConnector]: Adding new model add-sub21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:41:07 BasicIcfg [2021-10-24 23:41:07,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 23:41:07,132 INFO L168 Benchmark]: Toolchain (without parser) took 16459.52 ms. Allocated memory was 194.0 MB in the beginning and 1.0 GB in the end (delta: 820.0 MB). Free memory was 152.4 MB in the beginning and 559.8 MB in the end (delta: -407.4 MB). Peak memory consumption was 412.3 MB. Max. memory is 8.0 GB. [2021-10-24 23:41:07,133 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 194.0 MB. Free memory is still 153.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-24 23:41:07,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 194.0 MB. Free memory was 152.4 MB in the beginning and 150.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-24 23:41:07,133 INFO L168 Benchmark]: Boogie Preprocessor took 21.48 ms. Allocated memory is still 194.0 MB. Free memory was 150.8 MB in the beginning and 149.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-24 23:41:07,133 INFO L168 Benchmark]: RCFGBuilder took 323.18 ms. Allocated memory is still 194.0 MB. Free memory was 149.8 MB in the beginning and 138.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-24 23:41:07,133 INFO L168 Benchmark]: TraceAbstraction took 16083.25 ms. Allocated memory was 194.0 MB in the beginning and 1.0 GB in the end (delta: 820.0 MB). Free memory was 137.6 MB in the beginning and 559.8 MB in the end (delta: -422.2 MB). Peak memory consumption was 397.6 MB. Max. memory is 8.0 GB. [2021-10-24 23:41:07,134 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 0.08 ms. Allocated memory is still 194.0 MB. Free memory is still 153.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 194.0 MB. Free memory was 152.4 MB in the beginning and 150.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.48 ms. Allocated memory is still 194.0 MB. Free memory was 150.8 MB in the beginning and 149.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 323.18 ms. Allocated memory is still 194.0 MB. Free memory was 149.8 MB in the beginning and 138.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16083.25 ms. Allocated memory was 194.0 MB in the beginning and 1.0 GB in the end (delta: 820.0 MB). Free memory was 137.6 MB in the beginning and 559.8 MB in the end (delta: -422.2 MB). Peak memory consumption was 397.6 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: 860822, positive: 831297, positive conditional: 816352, positive unconditional: 14945, negative: 29525, negative conditional: 29505, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 831317, positive: 831297, positive conditional: 0, positive unconditional: 831297, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13711, positive: 13691, positive conditional: 0, positive unconditional: 13691, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13711, positive: 12831, positive conditional: 0, positive unconditional: 12831, negative: 880, negative conditional: 0, negative unconditional: 880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 880, positive: 860, positive conditional: 0, positive unconditional: 860, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 796, positive: 755, positive conditional: 0, positive unconditional: 755, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 831317, positive: 817606, positive conditional: 0, positive unconditional: 817606, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13711, unknown conditional: 0, unknown unconditional: 13711] , Statistics on independence cache: Total cache size (in pairs): 13711, Positive cache size: 13691, Positive conditional cache size: 0, Positive unconditional cache size: 13691, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 29505 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 941, Number of persistent set computation: 107, Number of trivial persistent sets: 24, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 860822, positive: 831297, positive conditional: 816352, positive unconditional: 14945, negative: 29525, negative conditional: 29505, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 831317, positive: 831297, positive conditional: 0, positive unconditional: 831297, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13711, positive: 13691, positive conditional: 0, positive unconditional: 13691, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13711, positive: 12831, positive conditional: 0, positive unconditional: 12831, negative: 880, negative conditional: 0, negative unconditional: 880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 880, positive: 860, positive conditional: 0, positive unconditional: 860, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 796, positive: 755, positive conditional: 0, positive unconditional: 755, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 831317, positive: 817606, positive conditional: 0, positive unconditional: 817606, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13711, unknown conditional: 0, unknown unconditional: 13711] , Statistics on independence cache: Total cache size (in pairs): 13711, Positive cache size: 13691, Positive conditional cache size: 0, Positive unconditional cache size: 13691, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 29505 - 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: 52]: 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 23 procedures, 156 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 15612.2ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 10061.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 297, 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: 117.1ms SsaConstructionTime, 260.3ms SatisfiabilityAnalysisTime, 4873.1ms InterpolantComputationTime, 2123 NumberOfCodeBlocks, 2123 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2101 ConstructedInterpolants, 0 QuantifiedInterpolants, 14451 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 231/231 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! [2021-10-24 23:41:07,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-24 23:41:07,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...