/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/add-sub08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 20:14:41,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 20:14:41,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 20:14:41,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-30 20:14:41,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-30 20:14:41,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-30 20:14:41,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-30 20:14:41,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-30 20:14:41,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-30 20:14:41,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-30 20:14:41,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-30 20:14:41,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-30 20:14:41,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 20:14:41,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 20:14:41,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 20:14:41,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 20:14:41,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 20:14:41,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 20:14:41,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 20:14:41,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 20:14:41,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 20:14:41,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 20:14:41,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 20:14:41,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 20:14:41,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 20:14:41,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-30 20:14:41,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-30 20:14:41,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-30 20:14:41,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-30 20:14:41,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-30 20:14:41,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-30 20:14:41,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-30 20:14:41,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-30 20:14:41,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-30 20:14:41,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-30 20:14:41,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-30 20:14:41,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-06-30 20:14:41,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 20:14:41,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 20:14:41,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 20:14:41,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 20:14:41,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 20:14:41,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 20:14:41,892 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 20:14:41,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 20:14:41,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 20:14:41,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 20:14:41,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 20:14:41,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 20:14:41,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 20:14:41,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 20:14:41,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 20:14:41,894 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 20:14:41,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 20:14:41,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 20:14:41,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 20:14:41,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 20:14:41,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 20:14:41,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 20:14:41,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 20:14:41,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 20:14:41,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 20:14:41,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 20:14:41,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 20:14:41,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 20:14:41,905 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-30 20:14:41,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 20:14:41,906 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 20:14:41,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 20:14:41,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 20:14:41,906 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-30 20:14:41,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-30 20:14:41,907 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 20:14:42,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 20:14:42,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 20:14:42,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 20:14:42,265 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 20:14:42,266 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 20:14:42,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub08.bpl [2021-06-30 20:14:42,268 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub08.bpl' [2021-06-30 20:14:42,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 20:14:42,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 20:14:42,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 20:14:42,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 20:14:42,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 20:14:42,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 20:14:42,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 20:14:42,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 20:14:42,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 20:14:42,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... [2021-06-30 20:14:42,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 20:14:42,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 20:14:42,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 20:14:42,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 20:14:42,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 20:14:42,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 20:14:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 20:14:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 20:14:42,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 20:14:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 20:14:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 20:14:42,423 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 20:14:42,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 20:14:42,579 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 20:14:42,582 INFO L202 PluginConnector]: Adding new model add-sub08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 08:14:42 BoogieIcfgContainer [2021-06-30 20:14:42,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 20:14:42,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 20:14:42,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 20:14:42,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 20:14:42,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 08:14:42" (1/2) ... [2021-06-30 20:14:42,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f63271 and model type add-sub08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 08:14:42, skipping insertion in model container [2021-06-30 20:14:42,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 08:14:42" (2/2) ... [2021-06-30 20:14:42,589 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub08.bpl [2021-06-30 20:14:42,599 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 20:14:42,600 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 20:14:42,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 20:14:42,601 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 20:14:42,670 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,671 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,671 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,676 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,678 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,678 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,678 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,725 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,727 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,729 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,731 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,753 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,756 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,760 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 20:14:42,804 INFO L149 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2021-06-30 20:14:42,825 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-30 20:14:42,872 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 20:14:42,873 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 20:14:42,873 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 20:14:42,873 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 20:14:42,873 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 20:14:42,873 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 20:14:42,873 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 20:14:42,873 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 20:14:44,201 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:44,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1514904178, now seen corresponding path program 1 times [2021-06-30 20:14:44,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:44,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646373752] [2021-06-30 20:14:44,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-30 20:14:44,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:44,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646373752] [2021-06-30 20:14:44,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646373752] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:44,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008864320] [2021-06-30 20:14:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:44,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-30 20:14:44,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-30 20:14:44,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008864320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:44,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:44,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-30 20:14:44,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529697395] [2021-06-30 20:14:44,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-30 20:14:44,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:44,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-30 20:14:44,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-30 20:14:44,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:44,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:44,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 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) [2021-06-30 20:14:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:14:45,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 20:14:45,669 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:45,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:45,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1392354066, now seen corresponding path program 2 times [2021-06-30 20:14:45,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:45,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901001508] [2021-06-30 20:14:45,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-30 20:14:45,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:45,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901001508] [2021-06-30 20:14:45,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901001508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:45,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483234856] [2021-06-30 20:14:45,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:45,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-30 20:14:45,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:14:45,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-30 20:14:45,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-30 20:14:46,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483234856] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:46,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:46,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-30 20:14:46,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963555157] [2021-06-30 20:14:46,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-30 20:14:46,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:46,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-30 20:14:46,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-06-30 20:14:46,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:46,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:46,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:14:46,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:14:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:46,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:14:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:46,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:46,857 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:46,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:46,857 INFO L82 PathProgramCache]: Analyzing trace with hash 54683820, now seen corresponding path program 3 times [2021-06-30 20:14:46,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:46,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111912643] [2021-06-30 20:14:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-30 20:14:47,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:47,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111912643] [2021-06-30 20:14:47,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111912643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:47,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86058383] [2021-06-30 20:14:47,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:47,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-30 20:14:47,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:14:47,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-30 20:14:47,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-30 20:14:47,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86058383] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:47,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:47,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-30 20:14:47,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847160825] [2021-06-30 20:14:47,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-30 20:14:47,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:47,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-30 20:14:47,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-30 20:14:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:47,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:47,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-06-30 20:14:47,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:14:47,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:47,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:49,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:49,069 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:49,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:49,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1660916280, now seen corresponding path program 1 times [2021-06-30 20:14:49,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:49,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285721078] [2021-06-30 20:14:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:14:49,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:49,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285721078] [2021-06-30 20:14:49,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285721078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:49,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484346877] [2021-06-30 20:14:49,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:49,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-30 20:14:49,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:14:49,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484346877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:49,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:49,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-30 20:14:49,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174979930] [2021-06-30 20:14:49,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-30 20:14:49,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:49,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-30 20:14:49,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-30 20:14:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:49,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:49,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:14:49,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:49,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:49,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:49,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:51,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:51,693 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:51,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:51,694 INFO L82 PathProgramCache]: Analyzing trace with hash 864726984, now seen corresponding path program 4 times [2021-06-30 20:14:51,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:51,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547384825] [2021-06-30 20:14:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-30 20:14:51,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:51,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547384825] [2021-06-30 20:14:51,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547384825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:51,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634014002] [2021-06-30 20:14:51,828 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:51,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-30 20:14:51,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:14:51,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-30 20:14:51,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-30 20:14:52,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634014002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:52,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:52,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-30 20:14:52,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468023798] [2021-06-30 20:14:52,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-30 20:14:52,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:52,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-30 20:14:52,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-30 20:14:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:52,040 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:52,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:14:52,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:52,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:52,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:52,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:52,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:54,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:54,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:54,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:54,506 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:54,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:54,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1048803864, now seen corresponding path program 5 times [2021-06-30 20:14:54,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:54,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852627951] [2021-06-30 20:14:54,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 20:14:54,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:54,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852627951] [2021-06-30 20:14:54,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852627951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:54,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276141360] [2021-06-30 20:14:54,650 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:54,710 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-30 20:14:54,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:14:54,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-30 20:14:54,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 20:14:54,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276141360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:54,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:54,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2021-06-30 20:14:54,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362468737] [2021-06-30 20:14:54,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-30 20:14:54,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:54,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-30 20:14:54,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-30 20:14:54,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:54,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:54,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:14:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:14:57,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:57,373 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:14:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:14:57,373 INFO L82 PathProgramCache]: Analyzing trace with hash 76993082, now seen corresponding path program 6 times [2021-06-30 20:14:57,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:14:57,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877656182] [2021-06-30 20:14:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:14:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:14:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-30 20:14:57,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:14:57,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877656182] [2021-06-30 20:14:57,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877656182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:57,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143066741] [2021-06-30 20:14:57,476 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:14:57,535 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-30 20:14:57,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:14:57,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-30 20:14:57,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:14:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-30 20:14:57,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143066741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:14:57,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:14:57,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-30 20:14:57,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871745509] [2021-06-30 20:14:57,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-30 20:14:57,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:14:57,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-30 20:14:57,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-30 20:14:57,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:14:57,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:14:57,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:14:57,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:01,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-30 20:15:01,581 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:15:01,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:15:01,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2112912582, now seen corresponding path program 2 times [2021-06-30 20:15:01,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:15:01,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067371025] [2021-06-30 20:15:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:15:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-30 20:15:01,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:15:01,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067371025] [2021-06-30 20:15:01,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067371025] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:01,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181041863] [2021-06-30 20:15:01,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:01,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-30 20:15:01,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:15:01,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-30 20:15:01,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:15:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-30 20:15:01,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181041863] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:01,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:15:01,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2021-06-30 20:15:01,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586053154] [2021-06-30 20:15:01,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-30 20:15:01,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:15:01,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-30 20:15:01,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-30 20:15:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:01,866 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:15:01,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:01,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:06,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:06,690 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:15:06,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:15:06,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1857792556, now seen corresponding path program 3 times [2021-06-30 20:15:06,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:15:06,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148100625] [2021-06-30 20:15:06,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:15:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-30 20:15:06,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:15:06,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148100625] [2021-06-30 20:15:06,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148100625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:06,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823380903] [2021-06-30 20:15:06,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:06,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-30 20:15:06,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:15:06,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-30 20:15:06,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:15:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-30 20:15:07,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823380903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:07,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:15:07,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2021-06-30 20:15:07,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125754749] [2021-06-30 20:15:07,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-30 20:15:07,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:15:07,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-30 20:15:07,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-30 20:15:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:07,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:15:07,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 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) [2021-06-30 20:15:07,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:07,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:07,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:07,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:07,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:07,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:07,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:07,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:07,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:12,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:12,251 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:15:12,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:15:12,252 INFO L82 PathProgramCache]: Analyzing trace with hash 111013628, now seen corresponding path program 1 times [2021-06-30 20:15:12,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:15:12,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476188388] [2021-06-30 20:15:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:15:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-30 20:15:12,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:15:12,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476188388] [2021-06-30 20:15:12,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476188388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:12,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670456113] [2021-06-30 20:15:12,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:12,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-30 20:15:12,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:15:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-30 20:15:12,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670456113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:12,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:15:12,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-30 20:15:12,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187865575] [2021-06-30 20:15:12,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-30 20:15:12,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:15:12,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-30 20:15:12,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-30 20:15:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:12,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:15:12,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:21,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-30 20:15:21,541 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:15:21,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:15:21,542 INFO L82 PathProgramCache]: Analyzing trace with hash 792182738, now seen corresponding path program 1 times [2021-06-30 20:15:21,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:15:21,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331269918] [2021-06-30 20:15:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:15:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 20:15:21,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:15:21,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331269918] [2021-06-30 20:15:21,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331269918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:21,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205688883] [2021-06-30 20:15:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:21,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-30 20:15:21,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:15:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 20:15:21,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205688883] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:21,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:15:21,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-30 20:15:21,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584352933] [2021-06-30 20:15:21,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-30 20:15:21,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:15:21,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-30 20:15:21,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-30 20:15:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:21,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:15:21,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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) [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:32,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:32,746 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:15:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:15:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1868305976, now seen corresponding path program 1 times [2021-06-30 20:15:32,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:15:32,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395869268] [2021-06-30 20:15:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:15:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-30 20:15:32,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:15:32,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395869268] [2021-06-30 20:15:32,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395869268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:32,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458733247] [2021-06-30 20:15:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:32,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-30 20:15:32,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:15:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-30 20:15:32,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458733247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:32,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:15:32,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-30 20:15:32,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776384456] [2021-06-30 20:15:32,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-30 20:15:32,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:15:32,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-30 20:15:32,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-30 20:15:32,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:32,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:15:32,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-06-30 20:15:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:32,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:15:46,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-30 20:15:46,383 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:15:46,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:15:46,384 INFO L82 PathProgramCache]: Analyzing trace with hash -311418964, now seen corresponding path program 1 times [2021-06-30 20:15:46,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:15:46,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632470075] [2021-06-30 20:15:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:15:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:15:46,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:15:46,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632470075] [2021-06-30 20:15:46,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632470075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:46,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973876393] [2021-06-30 20:15:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:15:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:15:46,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-30 20:15:46,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:15:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:15:46,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973876393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:15:46,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:15:46,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-30 20:15:46,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512611680] [2021-06-30 20:15:46,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-30 20:15:46,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:15:46,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-30 20:15:46,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-30 20:15:46,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:15:46,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:15:46,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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) [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:46,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:15:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:15:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:15:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:15:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:16:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:07,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:16:07,676 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:16:07,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:16:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1050314232, now seen corresponding path program 1 times [2021-06-30 20:16:07,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:16:07,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307092224] [2021-06-30 20:16:07,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:16:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:16:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:16:07,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:16:07,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307092224] [2021-06-30 20:16:07,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307092224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:16:07,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764377407] [2021-06-30 20:16:07,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:16:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:16:07,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-30 20:16:07,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:16:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:16:07,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764377407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:16:07,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:16:07,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2021-06-30 20:16:07,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671302435] [2021-06-30 20:16:07,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-30 20:16:07,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:16:07,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-30 20:16:07,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-30 20:16:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:16:07,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:16:07,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:16:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:16:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:16:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-30 20:16:29,411 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:16:29,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:16:29,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1525906728, now seen corresponding path program 2 times [2021-06-30 20:16:29,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:16:29,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034390376] [2021-06-30 20:16:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:16:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:16:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-30 20:16:29,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:16:29,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034390376] [2021-06-30 20:16:29,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034390376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:16:29,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442209853] [2021-06-30 20:16:29,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:16:29,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-30 20:16:29,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:16:29,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-30 20:16:29,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:16:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-30 20:16:29,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442209853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:16:29,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:16:29,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-30 20:16:29,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432558722] [2021-06-30 20:16:29,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-30 20:16:29,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:16:29,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-30 20:16:29,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-30 20:16:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:16:29,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:16:29,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 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) [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:29,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:29,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:16:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:16:50,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:16:50,514 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:16:50,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:16:50,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1760219610, now seen corresponding path program 2 times [2021-06-30 20:16:50,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:16:50,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961687520] [2021-06-30 20:16:50,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:16:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:16:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:16:50,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:16:50,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961687520] [2021-06-30 20:16:50,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961687520] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:16:50,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81040667] [2021-06-30 20:16:50,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:16:50,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-30 20:16:50,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:16:50,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-30 20:16:50,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:16:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:16:50,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81040667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:16:50,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:16:50,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-30 20:16:50,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084643152] [2021-06-30 20:16:50,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-30 20:16:50,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:16:50,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-30 20:16:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-30 20:16:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:16:50,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:16:50,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:16:50,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:17:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:11,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-30 20:17:11,130 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:17:11,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:17:11,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1939497096, now seen corresponding path program 3 times [2021-06-30 20:17:11,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:17:11,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861759837] [2021-06-30 20:17:11,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:17:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:17:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:17:11,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:17:11,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861759837] [2021-06-30 20:17:11,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861759837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:17:11,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012709725] [2021-06-30 20:17:11,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:17:11,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-30 20:17:11,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:17:11,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-30 20:17:11,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:17:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 20:17:11,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012709725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:17:11,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:17:11,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2021-06-30 20:17:11,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341497247] [2021-06-30 20:17:11,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-30 20:17:11,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:17:11,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-30 20:17:11,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-30 20:17:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:17:11,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:17:11,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:17:11,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:11,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:17:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:17:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-30 20:17:32,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-30 20:17:32,953 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:17:32,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:17:32,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1003807652, now seen corresponding path program 4 times [2021-06-30 20:17:32,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:17:32,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289633630] [2021-06-30 20:17:32,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:17:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:17:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-30 20:17:33,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:17:33,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289633630] [2021-06-30 20:17:33,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289633630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:17:33,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775308098] [2021-06-30 20:17:33,131 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:17:33,194 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-30 20:17:33,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:17:33,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 63 conjunts are in the unsatisfiable core [2021-06-30 20:17:33,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:17:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-30 20:17:33,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775308098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:17:33,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:17:33,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14 [2021-06-30 20:17:33,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118423915] [2021-06-30 20:17:33,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-30 20:17:33,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:17:33,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-30 20:17:33,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-06-30 20:17:33,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:17:33,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:17:33,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 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) [2021-06-30 20:17:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:17:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-30 20:17:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:17:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-30 20:17:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-30 20:17:55,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-30 20:17:55,451 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 20:17:55,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 20:17:55,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1263274454, now seen corresponding path program 5 times [2021-06-30 20:17:55,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 20:17:55,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530339155] [2021-06-30 20:17:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 20:17:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 20:17:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-06-30 20:17:55,701 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 20:17:55,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530339155] [2021-06-30 20:17:55,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530339155] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:17:55,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336411567] [2021-06-30 20:17:55,701 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 20:17:55,765 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-30 20:17:55,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 20:17:55,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-30 20:17:55,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 20:17:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-06-30 20:17:55,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336411567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 20:17:55,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 20:17:55,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2021-06-30 20:17:55,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822726621] [2021-06-30 20:17:55,888 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-30 20:17:55,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 20:17:55,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-30 20:17:55,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-06-30 20:17:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 20:17:55,889 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 20:17:55,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:55,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-30 20:17:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.