/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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 18:11:06,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 18:11:06,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 18:11:06,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 18:11:06,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 18:11:06,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 18:11:06,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 18:11:06,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 18:11:06,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 18:11:06,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 18:11:06,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 18:11:06,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 18:11:06,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 18:11:06,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 18:11:06,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 18:11:06,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 18:11:06,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 18:11:06,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 18:11:06,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 18:11:06,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 18:11:06,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 18:11:06,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 18:11:06,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 18:11:06,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 18:11:06,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 18:11:06,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 18:11:06,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 18:11:06,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 18:11:06,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 18:11:06,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 18:11:06,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 18:11:06,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 18:11:06,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 18:11:06,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 18:11:06,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 18:11:06,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 18:11:06,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 18:11:06,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 18:11:06,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 18:11:06,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 18:11:06,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 18:11:06,467 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-MCRwithDepranks.epf [2022-02-09 18:11:06,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 18:11:06,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 18:11:06,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 18:11:06,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 18:11:06,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 18:11:06,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 18:11:06,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 18:11:06,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 18:11:06,493 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 18:11:06,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 18:11:06,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 18:11:06,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 18:11:06,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:11:06,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 18:11:06,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 18:11:06,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 18:11:06,497 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 18:11:06,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 18:11:06,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 18:11:06,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 18:11:06,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 18:11:06,672 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 18:11:06,673 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 18:11:06,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl [2022-02-09 18:11:06,674 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl' [2022-02-09 18:11:06,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 18:11:06,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 18:11:06,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 18:11:06,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 18:11:06,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 18:11:06,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,719 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 18:11:06,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 18:11:06,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 18:11:06,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 18:11:06,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 18:11:06,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 18:11:06,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 18:11:06,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 18:11:06,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 18:11:06,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/1) ... [2022-02-09 18:11:06,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:11:06,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:06,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 18:11:06,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 18:11:06,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure dec given in one single declaration [2022-02-09 18:11:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2022-02-09 18:11:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2022-02-09 18:11:06,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 18:11:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 18:11:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 18:11:06,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure inc given in one single declaration [2022-02-09 18:11:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2022-02-09 18:11:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2022-02-09 18:11:06,796 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 18:11:06,826 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 18:11:06,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 18:11:06,886 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 18:11:06,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 18:11:06,891 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 18:11:06,892 INFO L202 PluginConnector]: Adding new model concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:11:06 BoogieIcfgContainer [2022-02-09 18:11:06,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 18:11:06,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 18:11:06,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 18:11:06,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 18:11:06,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:11:06" (1/2) ... [2022-02-09 18:11:06,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2558ae31 and model type concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:11:06, skipping insertion in model container [2022-02-09 18:11:06,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:11:06" (2/2) ... [2022-02-09 18:11:06,911 INFO L111 eAbstractionObserver]: Analyzing ICFG concurrent_increment.bpl [2022-02-09 18:11:06,914 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 18:11:06,914 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 18:11:06,914 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 18:11:06,915 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 18:11:06,928 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,929 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,929 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,929 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,929 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,930 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,930 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,930 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,931 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,931 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,931 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,931 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,931 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,932 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,932 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,932 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,933 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,933 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,933 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,933 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,935 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,937 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:11:06,938 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 18:11:06,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 18:11:06,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:07,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 18:11:07,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 18:11:07,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 18:11:07,063 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 18:11:07,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 18:11:07,073 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 22 transitions, 60 flow [2022-02-09 18:11:07,096 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52 states, 51 states have (on average 1.9607843137254901) internal successors, (100), 51 states have internal predecessors, (100), 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) [2022-02-09 18:11:07,128 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 132 states. [2022-02-09 18:11:07,130 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:07,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:07,137 INFO L85 PathProgramCache]: Analyzing trace with hash 388656454, now seen corresponding path program 1 times [2022-02-09 18:11:07,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:07,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089272687] [2022-02-09 18:11:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:07,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 153 proven. 160 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 18:11:07,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:07,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089272687] [2022-02-09 18:11:07,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089272687] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:07,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577837046] [2022-02-09 18:11:07,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:07,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:07,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:07,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:07,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 18:11:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:07,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-09 18:11:07,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 139 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:08,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 153 proven. 160 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 18:11:08,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577837046] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:08,591 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:08,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 17] total 49 [2022-02-09 18:11:08,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710616405] [2022-02-09 18:11:08,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:08,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-02-09 18:11:08,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:08,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-02-09 18:11:08,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=1761, Unknown=0, NotChecked=0, Total=2352 [2022-02-09 18:11:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:08,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:08,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.3877551020408165) internal successors, (166), 49 states have internal predecessors, (166), 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) [2022-02-09 18:11:08,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:09,756 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 319 transitions and produced 249 states. [2022-02-09 18:11:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:09,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:09,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 18:11:09,977 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:09,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:09,978 INFO L85 PathProgramCache]: Analyzing trace with hash -166589322, now seen corresponding path program 2 times [2022-02-09 18:11:09,978 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:09,978 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204064472] [2022-02-09 18:11:09,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:09,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 497 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:10,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:10,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204064472] [2022-02-09 18:11:10,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204064472] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:10,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022753500] [2022-02-09 18:11:10,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:11:10,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:10,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:10,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:10,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 18:11:10,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:11:10,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:10,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-09 18:11:10,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 475 proven. 314 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-09 18:11:11,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 475 proven. 314 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-09 18:11:11,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022753500] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:11,584 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:11,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33, 33] total 64 [2022-02-09 18:11:11,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290404304] [2022-02-09 18:11:11,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:11,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-02-09 18:11:11,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:11,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-02-09 18:11:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=3294, Unknown=0, NotChecked=0, Total=4032 [2022-02-09 18:11:11,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:11,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:11,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.984375) internal successors, (191), 64 states have internal predecessors, (191), 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) [2022-02-09 18:11:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:11,686 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 206 transitions and produced 197 states. [2022-02-09 18:11:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:11,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:11,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:11,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:11,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1084817881, now seen corresponding path program 3 times [2022-02-09 18:11:11,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:11,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023158925] [2022-02-09 18:11:11,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:11,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 497 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:12,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:12,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023158925] [2022-02-09 18:11:12,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023158925] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:12,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655981579] [2022-02-09 18:11:12,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:11:12,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:12,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:12,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:12,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 18:11:12,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2022-02-09 18:11:12,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:12,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-09 18:11:12,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 497 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:13,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 497 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:13,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655981579] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:13,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:13,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 78 [2022-02-09 18:11:13,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720968481] [2022-02-09 18:11:13,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:13,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-02-09 18:11:13,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-02-09 18:11:13,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1125, Invalid=4881, Unknown=0, NotChecked=0, Total=6006 [2022-02-09 18:11:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:13,664 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:13,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.051282051282051) internal successors, (238), 78 states have internal predecessors, (238), 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) [2022-02-09 18:11:13,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:13,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:13,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:13,750 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 234 transitions and produced 225 states. [2022-02-09 18:11:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:13,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 18:11:13,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:13,952 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:13,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:13,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1999135079, now seen corresponding path program 4 times [2022-02-09 18:11:13,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:13,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455424656] [2022-02-09 18:11:13,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1059 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:14,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:14,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455424656] [2022-02-09 18:11:14,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455424656] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:14,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772842045] [2022-02-09 18:11:14,322 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:11:14,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:14,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:14,324 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:14,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 18:11:14,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:11:14,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:14,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 79 conjunts are in the unsatisfiable core [2022-02-09 18:11:14,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1059 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:14,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1059 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:15,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772842045] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:15,289 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:15,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 19 [2022-02-09 18:11:15,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66430029] [2022-02-09 18:11:15,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:15,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-09 18:11:15,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:15,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-09 18:11:15,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2022-02-09 18:11:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:15,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:15,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.05) internal successors, (121), 20 states have internal predecessors, (121), 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) [2022-02-09 18:11:15,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:15,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:15,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:15,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:15,459 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 309 transitions and produced 300 states. [2022-02-09 18:11:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:15,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-09 18:11:15,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:15,660 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:15,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:15,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1662574454, now seen corresponding path program 5 times [2022-02-09 18:11:15,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:15,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684128814] [2022-02-09 18:11:15,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:15,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 667 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:16,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:16,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684128814] [2022-02-09 18:11:16,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684128814] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:16,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414006130] [2022-02-09 18:11:16,378 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:11:16,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:16,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:16,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:16,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 18:11:16,449 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2022-02-09 18:11:16,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:16,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-09 18:11:16,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 1247 proven. 620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:17,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 667 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:18,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414006130] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:18,691 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:18,691 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 114 [2022-02-09 18:11:18,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273627865] [2022-02-09 18:11:18,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:18,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2022-02-09 18:11:18,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:18,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2022-02-09 18:11:18,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2466, Invalid=10416, Unknown=0, NotChecked=0, Total=12882 [2022-02-09 18:11:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:18,695 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:18,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 3.0789473684210527) internal successors, (351), 114 states have internal predecessors, (351), 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) [2022-02-09 18:11:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:21,253 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 497 transitions and produced 405 states. [2022-02-09 18:11:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:21,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:21,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:21,455 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:21,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1714488421, now seen corresponding path program 6 times [2022-02-09 18:11:21,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:21,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625299291] [2022-02-09 18:11:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:21,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 0 proven. 2665 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:22,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:22,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625299291] [2022-02-09 18:11:22,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625299291] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:22,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254801625] [2022-02-09 18:11:22,172 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:11:22,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:22,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:22,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 18:11:22,245 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2022-02-09 18:11:22,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:22,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-09 18:11:22,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 0 proven. 2665 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:22,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 0 proven. 2665 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:23,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254801625] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:23,564 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:23,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2022-02-09 18:11:23,564 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582642207] [2022-02-09 18:11:23,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:23,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 18:11:23,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 18:11:23,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2022-02-09 18:11:23,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:23,566 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:23,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.032258064516129) internal successors, (187), 31 states have internal predecessors, (187), 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) [2022-02-09 18:11:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:23,903 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 428 transitions and produced 409 states. [2022-02-09 18:11:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:23,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:24,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:24,105 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:24,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash -453101078, now seen corresponding path program 7 times [2022-02-09 18:11:24,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:24,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870436520] [2022-02-09 18:11:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:24,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 1470 proven. 2366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:25,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:25,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870436520] [2022-02-09 18:11:25,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870436520] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:25,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053594357] [2022-02-09 18:11:25,434 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 18:11:25,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:25,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:25,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:25,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 18:11:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:25,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-09 18:11:25,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 2380 proven. 1456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:26,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 1470 proven. 2366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:27,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053594357] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:27,785 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:27,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 147 [2022-02-09 18:11:27,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90168477] [2022-02-09 18:11:27,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:27,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2022-02-09 18:11:27,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:27,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2022-02-09 18:11:27,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4094, Invalid=17368, Unknown=0, NotChecked=0, Total=21462 [2022-02-09 18:11:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:27,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:27,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.061224489795918) internal successors, (450), 147 states have internal predecessors, (450), 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) [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:30,756 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 618 transitions and produced 516 states. [2022-02-09 18:11:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:30,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:30,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-09 18:11:30,972 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:30,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:30,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2048802905, now seen corresponding path program 8 times [2022-02-09 18:11:30,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:30,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839117187] [2022-02-09 18:11:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:30,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 0 proven. 4997 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:31,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:31,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839117187] [2022-02-09 18:11:31,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839117187] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:31,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525583507] [2022-02-09 18:11:31,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:11:31,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:31,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:31,828 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:31,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 18:11:31,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:11:31,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:31,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 167 conjunts are in the unsatisfiable core [2022-02-09 18:11:31,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 0 proven. 4997 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:32,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 0 proven. 4997 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:32,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525583507] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:32,970 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:32,970 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 41 [2022-02-09 18:11:32,971 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168834990] [2022-02-09 18:11:32,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:32,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-09 18:11:32,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:32,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-09 18:11:32,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 18:11:32,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:32,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:32,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 6.023809523809524) internal successors, (253), 42 states have internal predecessors, (253), 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) [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:33,597 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 549 transitions and produced 520 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:11:33,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:33,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:33,799 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:33,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:33,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1979625014, now seen corresponding path program 9 times [2022-02-09 18:11:33,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:33,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913786585] [2022-02-09 18:11:33,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:33,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6531 backedges. 2636 proven. 3895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:35,775 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:35,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913786585] [2022-02-09 18:11:35,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913786585] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:35,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973543202] [2022-02-09 18:11:35,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:11:35,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:35,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:35,776 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:35,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 18:11:35,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 53 check-sat command(s) [2022-02-09 18:11:35,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:35,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-09 18:11:35,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6531 backedges. 3876 proven. 2655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:37,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6531 backedges. 2636 proven. 3895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:39,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973543202] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:39,607 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:39,607 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97, 97] total 180 [2022-02-09 18:11:39,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207448106] [2022-02-09 18:11:39,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:39,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2022-02-09 18:11:39,608 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2022-02-09 18:11:39,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6206, Invalid=26014, Unknown=0, NotChecked=0, Total=32220 [2022-02-09 18:11:39,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:39,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:39,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 180 states have (on average 3.05) internal successors, (549), 180 states have internal predecessors, (549), 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) [2022-02-09 18:11:39,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:11:39,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:43,709 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 739 transitions and produced 627 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:11:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:11:43,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-09 18:11:43,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-09 18:11:43,923 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:43,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1624374053, now seen corresponding path program 10 times [2022-02-09 18:11:43,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:43,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391176815] [2022-02-09 18:11:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:43,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 8060 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:45,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:45,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391176815] [2022-02-09 18:11:45,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391176815] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:45,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574051218] [2022-02-09 18:11:45,192 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:11:45,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:45,194 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:45,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 18:11:45,264 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:11:45,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:45,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 211 conjunts are in the unsatisfiable core [2022-02-09 18:11:45,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8060 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:46,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8060 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:11:47,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574051218] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:47,183 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:47,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 52 [2022-02-09 18:11:47,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684661098] [2022-02-09 18:11:47,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:47,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-09 18:11:47,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:47,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-09 18:11:47,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2022-02-09 18:11:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:47,185 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:47,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 6.018867924528302) internal successors, (319), 53 states have internal predecessors, (319), 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) [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:11:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:48,120 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 670 transitions and produced 631 states. [2022-02-09 18:11:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:11:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:11:48,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 18:11:48,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 18:11:48,322 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:11:48,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:11:48,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1167354966, now seen corresponding path program 11 times [2022-02-09 18:11:48,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:11:48,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703388042] [2022-02-09 18:11:48,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:11:48,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:11:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:11:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9952 backedges. 4165 proven. 5787 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:51,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:11:51,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703388042] [2022-02-09 18:11:51,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703388042] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:11:51,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793104369] [2022-02-09 18:11:51,718 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:11:51,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:11:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:11:51,720 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:11:51,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 18:11:51,846 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2022-02-09 18:11:51,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:11:51,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-09 18:11:51,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:11:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 9952 backedges. 5735 proven. 4217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:55,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:11:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9952 backedges. 4165 proven. 5787 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:11:57,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793104369] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:11:57,923 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:11:57,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 119, 119] total 213 [2022-02-09 18:11:57,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070536457] [2022-02-09 18:11:57,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:11:57,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 213 states [2022-02-09 18:11:57,924 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:11:57,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2022-02-09 18:11:57,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8802, Invalid=36354, Unknown=0, NotChecked=0, Total=45156 [2022-02-09 18:11:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:11:57,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:11:57,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 213 states, 213 states have (on average 3.0422535211267605) internal successors, (648), 213 states have internal predecessors, (648), 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) [2022-02-09 18:11:57,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:11:57,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:11:57,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:11:57,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:11:57,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:04,835 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 860 transitions and produced 738 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:04,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 18:12:05,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 18:12:05,055 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:12:05,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:12:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1256808985, now seen corresponding path program 12 times [2022-02-09 18:12:05,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:12:05,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078847946] [2022-02-09 18:12:05,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:12:05,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:12:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:12:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11839 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:12:07,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:12:07,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078847946] [2022-02-09 18:12:07,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078847946] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:12:07,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245087198] [2022-02-09 18:12:07,029 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:12:07,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:12:07,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:12:07,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:12:07,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 18:12:07,163 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2022-02-09 18:12:07,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:12:07,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 255 conjunts are in the unsatisfiable core [2022-02-09 18:12:07,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:12:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11839 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:12:08,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:12:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11839 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:12:10,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245087198] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:12:10,000 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:12:10,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 63 [2022-02-09 18:12:10,000 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992982186] [2022-02-09 18:12:10,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:12:10,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-09 18:12:10,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:12:10,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-09 18:12:10,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2022-02-09 18:12:10,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:10,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:12:10,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 6.015625) internal successors, (385), 64 states have internal predecessors, (385), 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) [2022-02-09 18:12:10,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:10,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:10,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:10,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:10,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:10,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:10,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:10,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:10,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:10,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:10,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:10,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:11,376 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 791 transitions and produced 742 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:12:11,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-09 18:12:11,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 18:12:11,578 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:12:11,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:12:11,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1859404554, now seen corresponding path program 13 times [2022-02-09 18:12:11,579 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:12:11,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610087715] [2022-02-09 18:12:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:12:11,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:12:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:12:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14099 backedges. 6057 proven. 8042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:12:16,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:12:16,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610087715] [2022-02-09 18:12:16,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610087715] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:12:16,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664006] [2022-02-09 18:12:16,719 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 18:12:16,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:12:16,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:12:16,720 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:12:16,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 18:12:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:12:16,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 140 conjunts are in the unsatisfiable core [2022-02-09 18:12:16,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:12:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14099 backedges. 7957 proven. 6142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:12:22,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:12:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14099 backedges. 6057 proven. 8042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:12:24,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664006] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:12:24,316 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:12:24,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 141, 141] total 246 [2022-02-09 18:12:24,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977217172] [2022-02-09 18:12:24,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:12:24,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2022-02-09 18:12:24,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:12:24,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2022-02-09 18:12:24,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11882, Invalid=48388, Unknown=0, NotChecked=0, Total=60270 [2022-02-09 18:12:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:24,322 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:12:24,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 3.0365853658536586) internal successors, (747), 246 states have internal predecessors, (747), 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) [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:24,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:24,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:24,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:24,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:12:24,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:32,999 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 981 transitions and produced 849 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:12:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:12:33,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-09 18:12:33,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:12:33,218 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:12:33,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:12:33,218 INFO L85 PathProgramCache]: Analyzing trace with hash -231879141, now seen corresponding path program 14 times [2022-02-09 18:12:33,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:12:33,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191696899] [2022-02-09 18:12:33,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:12:33,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:12:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:12:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16354 backedges. 0 proven. 16349 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:12:35,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:12:35,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191696899] [2022-02-09 18:12:35,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191696899] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:12:35,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530041401] [2022-02-09 18:12:35,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:12:35,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:12:35,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:12:35,785 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:12:35,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 18:12:35,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:12:35,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:12:35,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 299 conjunts are in the unsatisfiable core [2022-02-09 18:12:35,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:12:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 16354 backedges. 0 proven. 16349 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:12:37,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:12:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16354 backedges. 0 proven. 16349 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:12:39,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530041401] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:12:39,252 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:12:39,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 74, 74] total 74 [2022-02-09 18:12:39,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375460524] [2022-02-09 18:12:39,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:12:39,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-02-09 18:12:39,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:12:39,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-02-09 18:12:39,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2022-02-09 18:12:39,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:39,255 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:12:39,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 75 states have (on average 6.013333333333334) internal successors, (451), 75 states have internal predecessors, (451), 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) [2022-02-09 18:12:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:12:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:41,013 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 912 transitions and produced 853 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:12:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:12:41,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-09 18:12:41,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:12:41,233 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:12:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:12:41,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1129672042, now seen corresponding path program 15 times [2022-02-09 18:12:41,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:12:41,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079600] [2022-02-09 18:12:41,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:12:41,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:12:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:12:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18972 backedges. 8312 proven. 10660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:12:47,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:12:47,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079600] [2022-02-09 18:12:47,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079600] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:12:47,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236097873] [2022-02-09 18:12:47,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:12:47,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:12:47,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:12:47,655 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:12:47,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 18:12:47,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 86 check-sat command(s) [2022-02-09 18:12:47,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:12:47,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 162 conjunts are in the unsatisfiable core [2022-02-09 18:12:47,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:12:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18972 backedges. 10542 proven. 8430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:12:54,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:12:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18972 backedges. 8312 proven. 10660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:12:57,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236097873] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:12:57,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:12:57,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 163, 163] total 279 [2022-02-09 18:12:57,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076071903] [2022-02-09 18:12:57,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:12:57,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 279 states [2022-02-09 18:12:57,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:12:57,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 279 interpolants. [2022-02-09 18:12:57,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15446, Invalid=62116, Unknown=0, NotChecked=0, Total=77562 [2022-02-09 18:12:57,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:12:57,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:12:57,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 279 states, 279 states have (on average 3.032258064516129) internal successors, (846), 279 states have internal predecessors, (846), 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) [2022-02-09 18:12:57,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:12:57,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:12:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:12:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:12:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:12:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:12:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:09,165 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1102 transitions and produced 960 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:09,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:09,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-09 18:13:09,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-09 18:13:09,386 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:13:09,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:13:09,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1918827559, now seen corresponding path program 16 times [2022-02-09 18:13:09,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:13:09,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811953478] [2022-02-09 18:13:09,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:13:09,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:13:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:13:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21590 backedges. 0 proven. 21585 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:13:13,003 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:13:13,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811953478] [2022-02-09 18:13:13,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811953478] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:13:13,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990042651] [2022-02-09 18:13:13,003 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:13:13,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:13:13,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:13:13,005 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:13:13,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 18:13:13,128 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:13:13,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:13:13,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 343 conjunts are in the unsatisfiable core [2022-02-09 18:13:13,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:13:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21590 backedges. 0 proven. 21585 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:13:14,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:13:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 21590 backedges. 0 proven. 21585 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:13:16,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990042651] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:13:16,757 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:13:16,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 85 [2022-02-09 18:13:16,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156368622] [2022-02-09 18:13:16,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:13:16,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-02-09 18:13:16,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:13:16,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-02-09 18:13:16,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2022-02-09 18:13:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:16,759 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:13:16,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 6.011627906976744) internal successors, (517), 86 states have internal predecessors, (517), 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) [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:19,274 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1033 transitions and produced 964 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:13:19,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 18:13:19,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-09 18:13:19,476 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:13:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:13:19,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1515719606, now seen corresponding path program 17 times [2022-02-09 18:13:19,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:13:19,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521449146] [2022-02-09 18:13:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:13:19,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:13:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:13:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24571 backedges. 10930 proven. 13641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:13:27,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:13:27,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521449146] [2022-02-09 18:13:27,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521449146] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:13:27,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710994478] [2022-02-09 18:13:27,076 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:13:27,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:13:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:13:27,078 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:13:27,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 18:13:27,269 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 97 check-sat command(s) [2022-02-09 18:13:27,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:13:27,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 184 conjunts are in the unsatisfiable core [2022-02-09 18:13:27,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:13:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 24571 backedges. 13490 proven. 11081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:13:32,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:13:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24571 backedges. 10930 proven. 13641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:13:35,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710994478] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:13:35,261 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:13:35,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 185, 185] total 312 [2022-02-09 18:13:35,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102320325] [2022-02-09 18:13:35,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:13:35,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 312 states [2022-02-09 18:13:35,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:13:35,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 312 interpolants. [2022-02-09 18:13:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19494, Invalid=77538, Unknown=0, NotChecked=0, Total=97032 [2022-02-09 18:13:35,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:35,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:13:35,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 312 states, 312 states have (on average 3.0288461538461537) internal successors, (945), 312 states have internal predecessors, (945), 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) [2022-02-09 18:13:35,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:13:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:48,658 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1223 transitions and produced 1071 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:13:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:13:48,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-09 18:13:48,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-09 18:13:48,866 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:13:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:13:48,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2078910629, now seen corresponding path program 18 times [2022-02-09 18:13:48,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:13:48,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475073075] [2022-02-09 18:13:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:13:48,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:13:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:13:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 0 proven. 27547 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:13:52,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:13:52,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475073075] [2022-02-09 18:13:52,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475073075] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:13:52,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095939810] [2022-02-09 18:13:52,063 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:13:52,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:13:52,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:13:52,065 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:13:52,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-09 18:13:52,288 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 97 check-sat command(s) [2022-02-09 18:13:52,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:13:52,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 387 conjunts are in the unsatisfiable core [2022-02-09 18:13:52,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:13:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 0 proven. 27547 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:13:53,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:13:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 0 proven. 27547 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:13:55,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095939810] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:13:55,538 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:13:55,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 96 [2022-02-09 18:13:55,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282486275] [2022-02-09 18:13:55,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:13:55,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-02-09 18:13:55,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:13:55,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-02-09 18:13:55,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2022-02-09 18:13:55,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:55,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:13:55,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 6.010309278350515) internal successors, (583), 97 states have internal predecessors, (583), 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) [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:13:55,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:13:57,588 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1154 transitions and produced 1075 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:13:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:13:57,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-09 18:13:57,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-09 18:13:57,804 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:13:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:13:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash 555992874, now seen corresponding path program 19 times [2022-02-09 18:13:57,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:13:57,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608157851] [2022-02-09 18:13:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:13:57,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:13:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:14:04,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30896 backedges. 13911 proven. 16985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:14:04,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:14:04,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608157851] [2022-02-09 18:14:04,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608157851] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:14:04,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499852624] [2022-02-09 18:14:04,413 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 18:14:04,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:14:04,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:14:04,414 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:14:04,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-09 18:14:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:14:04,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 206 conjunts are in the unsatisfiable core [2022-02-09 18:14:04,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:14:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30896 backedges. 16801 proven. 14095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:14:11,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:14:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30896 backedges. 13911 proven. 16985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:14:15,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499852624] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:14:15,205 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:14:15,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [207, 207, 207] total 345 [2022-02-09 18:14:15,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122677992] [2022-02-09 18:14:15,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:14:15,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 345 states [2022-02-09 18:14:15,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:14:15,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 345 interpolants. [2022-02-09 18:14:15,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24026, Invalid=94654, Unknown=0, NotChecked=0, Total=118680 [2022-02-09 18:14:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:14:15,220 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:14:15,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 345 states, 345 states have (on average 3.026086956521739) internal successors, (1044), 345 states have internal predecessors, (1044), 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) [2022-02-09 18:14:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:14:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:14:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:14:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:14:34,205 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1344 transitions and produced 1182 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:14:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:14:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:14:34,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-02-09 18:14:34,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:14:34,424 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:14:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:14:34,424 INFO L85 PathProgramCache]: Analyzing trace with hash -380446105, now seen corresponding path program 20 times [2022-02-09 18:14:34,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:14:34,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764465837] [2022-02-09 18:14:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:14:34,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:14:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:14:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 34240 backedges. 0 proven. 34235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:14:38,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:14:38,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764465837] [2022-02-09 18:14:38,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764465837] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:14:38,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258052125] [2022-02-09 18:14:38,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:14:38,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:14:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:14:38,089 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:14:38,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-09 18:14:38,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:14:38,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:14:38,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 431 conjunts are in the unsatisfiable core [2022-02-09 18:14:38,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:14:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 34240 backedges. 0 proven. 34235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:14:39,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:14:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 34240 backedges. 0 proven. 34235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:14:41,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258052125] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:14:41,953 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:14:41,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 107, 107] total 107 [2022-02-09 18:14:41,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554120437] [2022-02-09 18:14:41,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:14:41,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2022-02-09 18:14:41,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:14:41,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2022-02-09 18:14:41,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2022-02-09 18:14:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:14:41,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:14:41,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 108 states have (on average 6.0092592592592595) internal successors, (649), 108 states have internal predecessors, (649), 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) [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:14:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:14:45,753 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1275 transitions and produced 1186 states. [2022-02-09 18:14:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:14:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:14:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:14:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:14:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:14:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:14:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:14:45,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-09 18:14:45,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:14:45,955 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:14:45,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:14:45,955 INFO L85 PathProgramCache]: Analyzing trace with hash 624663158, now seen corresponding path program 21 times [2022-02-09 18:14:45,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:14:45,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548867043] [2022-02-09 18:14:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:14:45,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:14:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:14:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 37947 backedges. 17255 proven. 20692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:14:58,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:14:58,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548867043] [2022-02-09 18:14:58,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548867043] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:14:58,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684525556] [2022-02-09 18:14:58,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:14:58,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:14:58,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:14:58,696 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:14:58,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-09 18:14:59,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 119 check-sat command(s) [2022-02-09 18:14:59,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:14:59,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 228 conjunts are in the unsatisfiable core [2022-02-09 18:14:59,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:15:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 37947 backedges. 20475 proven. 17472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:15:10,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:15:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 37947 backedges. 17255 proven. 20692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:15:14,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684525556] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:15:14,332 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:15:14,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 229, 229] total 378 [2022-02-09 18:15:14,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903482405] [2022-02-09 18:15:14,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:15:14,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 378 states [2022-02-09 18:15:14,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:15:14,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants. [2022-02-09 18:15:14,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29042, Invalid=113464, Unknown=0, NotChecked=0, Total=142506 [2022-02-09 18:15:14,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:15:14,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:15:14,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 378 states, 378 states have (on average 3.0238095238095237) internal successors, (1143), 378 states have internal predecessors, (1143), 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) [2022-02-09 18:15:14,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:15:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:15:38,749 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1465 transitions and produced 1293 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:15:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:15:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:15:38,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-09 18:15:38,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:15:38,971 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:15:38,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:15:38,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1479516315, now seen corresponding path program 22 times [2022-02-09 18:15:38,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:15:38,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127361002] [2022-02-09 18:15:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:15:38,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:15:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:15:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 41654 backedges. 0 proven. 41649 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:15:44,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:15:44,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127361002] [2022-02-09 18:15:44,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127361002] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:15:44,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424759938] [2022-02-09 18:15:44,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:15:44,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:15:44,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:15:44,203 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:15:44,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-09 18:15:44,386 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:15:44,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:15:44,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 475 conjunts are in the unsatisfiable core [2022-02-09 18:15:44,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:15:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 41654 backedges. 0 proven. 41649 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:15:46,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:15:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 41654 backedges. 0 proven. 41649 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:15:49,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424759938] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:15:49,096 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:15:49,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [118, 118, 118] total 118 [2022-02-09 18:15:49,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672162581] [2022-02-09 18:15:49,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:15:49,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-02-09 18:15:49,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:15:49,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-02-09 18:15:49,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2022-02-09 18:15:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:15:49,098 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:15:49,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 119 states have (on average 6.008403361344538) internal successors, (715), 119 states have internal predecessors, (715), 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) [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:15:49,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:15:49,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:15:53,615 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1396 transitions and produced 1297 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:15:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:15:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:15:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:15:53,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-02-09 18:15:53,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:15:53,817 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:15:53,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:15:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash -146890518, now seen corresponding path program 23 times [2022-02-09 18:15:53,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:15:53,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146742010] [2022-02-09 18:15:53,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:15:53,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:15:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:16:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 45724 backedges. 20962 proven. 24762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:16:06,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:16:06,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146742010] [2022-02-09 18:16:06,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146742010] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:16:06,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68518126] [2022-02-09 18:16:06,438 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:16:06,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:16:06,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:16:06,440 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:16:06,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-02-09 18:16:06,759 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 130 check-sat command(s) [2022-02-09 18:16:06,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:16:06,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 250 conjunts are in the unsatisfiable core [2022-02-09 18:16:06,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:16:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 45724 backedges. 24512 proven. 21212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:16:17,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:16:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 45724 backedges. 20962 proven. 24762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:16:20,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68518126] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:16:20,295 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:16:20,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [251, 251, 251] total 411 [2022-02-09 18:16:20,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085534085] [2022-02-09 18:16:20,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:16:20,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 411 states [2022-02-09 18:16:20,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:16:20,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 411 interpolants. [2022-02-09 18:16:20,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34542, Invalid=133968, Unknown=0, NotChecked=0, Total=168510 [2022-02-09 18:16:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:16:20,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:16:20,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 411 states, 411 states have (on average 3.021897810218978) internal successors, (1242), 411 states have internal predecessors, (1242), 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) [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:16:20,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:16:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:16:49,645 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1586 transitions and produced 1404 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:16:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:16:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:16:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:16:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:16:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:16:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:16:49,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-02-09 18:16:49,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:16:49,887 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:16:49,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:16:49,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2088093529, now seen corresponding path program 24 times [2022-02-09 18:16:49,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:16:49,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432437776] [2022-02-09 18:16:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:16:49,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:16:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:16:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 49794 backedges. 0 proven. 49789 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:16:57,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:16:57,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432437776] [2022-02-09 18:16:57,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432437776] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:16:57,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521561540] [2022-02-09 18:16:57,077 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:16:57,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:16:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:16:57,078 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:16:57,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-02-09 18:16:57,428 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 130 check-sat command(s) [2022-02-09 18:16:57,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:16:57,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 519 conjunts are in the unsatisfiable core [2022-02-09 18:16:57,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:17:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 49794 backedges. 0 proven. 49789 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:17:00,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:17:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 49794 backedges. 0 proven. 49789 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:17:02,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521561540] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:17:02,903 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:17:02,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 129 [2022-02-09 18:17:02,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142340335] [2022-02-09 18:17:02,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:17:02,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-02-09 18:17:02,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:17:02,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-02-09 18:17:02,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2022-02-09 18:17:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:17:02,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:17:02,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 6.007692307692308) internal successors, (781), 130 states have internal predecessors, (781), 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) [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:17:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:17:02,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:17:08,455 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1517 transitions and produced 1408 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:17:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:17:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:17:08,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-02-09 18:17:08,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-02-09 18:17:08,657 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:17:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:17:08,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1938712886, now seen corresponding path program 25 times [2022-02-09 18:17:08,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:17:08,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442366408] [2022-02-09 18:17:08,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:17:08,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:17:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:17:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 54227 backedges. 25032 proven. 29195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:17:23,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:17:23,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442366408] [2022-02-09 18:17:23,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442366408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:17:23,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715677211] [2022-02-09 18:17:23,496 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 18:17:23,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:17:23,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:17:23,498 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:17:23,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-02-09 18:17:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:17:23,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 272 conjunts are in the unsatisfiable core [2022-02-09 18:17:23,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:17:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 54227 backedges. 28912 proven. 25315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:17:36,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:17:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 54227 backedges. 25032 proven. 29195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:17:38,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715677211] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:17:38,740 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:17:38,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [273, 273, 273] total 444 [2022-02-09 18:17:38,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010481099] [2022-02-09 18:17:38,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:17:38,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 444 states [2022-02-09 18:17:38,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:17:38,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 444 interpolants. [2022-02-09 18:17:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40526, Invalid=156166, Unknown=0, NotChecked=0, Total=196692 [2022-02-09 18:17:38,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:17:38,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:17:38,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 444 states, 444 states have (on average 3.02027027027027) internal successors, (1341), 444 states have internal predecessors, (1341), 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) [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:17:38,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:17:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:17:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:17:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:17:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:17:38,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:18:23,798 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1707 transitions and produced 1515 states. [2022-02-09 18:18:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:18:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:18:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:18:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:18:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:18:23,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-02-09 18:18:24,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-02-09 18:18:24,019 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:18:24,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:18:24,019 INFO L85 PathProgramCache]: Analyzing trace with hash 63023579, now seen corresponding path program 26 times [2022-02-09 18:18:24,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:18:24,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856954476] [2022-02-09 18:18:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:18:24,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:18:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:18:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 58660 backedges. 0 proven. 58655 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:18:30,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:18:30,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856954476] [2022-02-09 18:18:30,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856954476] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:18:30,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182891371] [2022-02-09 18:18:30,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:18:30,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:18:30,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:18:30,670 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:18:30,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-02-09 18:18:30,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:18:30,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:18:30,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 563 conjunts are in the unsatisfiable core [2022-02-09 18:18:30,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:18:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 58660 backedges. 0 proven. 58655 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:18:32,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:18:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 58660 backedges. 0 proven. 58655 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:18:35,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182891371] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:18:35,236 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:18:35,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [140, 140, 140] total 140 [2022-02-09 18:18:35,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047526286] [2022-02-09 18:18:35,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:18:35,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-02-09 18:18:35,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:18:35,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-02-09 18:18:35,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2022-02-09 18:18:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:18:35,264 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:18:35,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 141 states have (on average 6.00709219858156) internal successors, (847), 141 states have internal predecessors, (847), 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) [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:18:35,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:18:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:18:40,242 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1638 transitions and produced 1519 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:18:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:18:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:18:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:18:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:18:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:18:40,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-02-09 18:18:40,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-02-09 18:18:40,463 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:18:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:18:40,464 INFO L85 PathProgramCache]: Analyzing trace with hash -351405398, now seen corresponding path program 27 times [2022-02-09 18:18:40,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:18:40,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53082108] [2022-02-09 18:18:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:18:40,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:18:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:18:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 63456 backedges. 29465 proven. 33991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:18:57,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:18:57,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53082108] [2022-02-09 18:18:57,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53082108] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:18:57,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812898388] [2022-02-09 18:18:57,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:18:57,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:18:57,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:18:57,925 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:18:57,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-02-09 18:18:58,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 152 check-sat command(s) [2022-02-09 18:18:58,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:18:58,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 294 conjunts are in the unsatisfiable core [2022-02-09 18:18:58,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:19:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 63456 backedges. 33675 proven. 29781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:19:11,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:19:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 63456 backedges. 29465 proven. 33991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:19:14,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812898388] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:19:14,761 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:19:14,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [295, 295, 295] total 477 [2022-02-09 18:19:14,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115011907] [2022-02-09 18:19:14,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:19:14,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 477 states [2022-02-09 18:19:14,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:19:14,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 477 interpolants. [2022-02-09 18:19:14,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46994, Invalid=180058, Unknown=0, NotChecked=0, Total=227052 [2022-02-09 18:19:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:19:14,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:19:14,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 477 states, 477 states have (on average 3.018867924528302) internal successors, (1440), 477 states have internal predecessors, (1440), 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) [2022-02-09 18:19:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:19:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:19:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:19:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:19:14,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:19:14,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:19:14,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:19:14,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:19:58,737 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1828 transitions and produced 1626 states. [2022-02-09 18:19:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:19:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:19:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:19:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:19:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:19:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:19:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:19:58,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-02-09 18:19:58,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:19:58,961 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:19:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:19:58,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1755125479, now seen corresponding path program 28 times [2022-02-09 18:19:58,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:19:58,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654091872] [2022-02-09 18:19:58,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:19:58,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:19:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:20:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 68252 backedges. 0 proven. 68247 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:20:06,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:20:06,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654091872] [2022-02-09 18:20:06,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654091872] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:20:06,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422900705] [2022-02-09 18:20:06,849 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:20:06,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:20:06,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:20:06,851 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:20:06,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-02-09 18:20:07,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:20:07,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:20:07,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 607 conjunts are in the unsatisfiable core [2022-02-09 18:20:07,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:20:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 68252 backedges. 0 proven. 68247 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:20:08,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:20:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 68252 backedges. 0 proven. 68247 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:20:10,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422900705] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:20:10,804 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:20:10,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 151, 151] total 151 [2022-02-09 18:20:10,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865643738] [2022-02-09 18:20:10,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:20:10,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2022-02-09 18:20:10,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:20:10,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2022-02-09 18:20:10,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2022-02-09 18:20:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:20:10,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:20:10,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 152 states have (on average 6.006578947368421) internal successors, (913), 152 states have internal predecessors, (913), 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) [2022-02-09 18:20:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:20:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:20:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:20:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:20:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:20:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:20:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:20:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:20:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:20:15,754 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1759 transitions and produced 1630 states. [2022-02-09 18:20:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:20:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:20:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:20:15,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-02-09 18:20:15,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-02-09 18:20:15,974 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:20:15,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:20:15,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1963489270, now seen corresponding path program 29 times [2022-02-09 18:20:15,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:20:15,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963711205] [2022-02-09 18:20:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:20:15,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:20:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:20:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 73411 backedges. 34261 proven. 39150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:20:32,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:20:32,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963711205] [2022-02-09 18:20:32,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963711205] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:20:32,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450342638] [2022-02-09 18:20:32,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:20:32,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:20:32,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:20:32,090 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:20:32,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-02-09 18:20:32,575 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 163 check-sat command(s) [2022-02-09 18:20:32,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:20:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 316 conjunts are in the unsatisfiable core [2022-02-09 18:20:32,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:20:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 73411 backedges. 38801 proven. 34610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:20:45,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:20:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 73411 backedges. 34261 proven. 39150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:20:49,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450342638] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:20:49,106 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:20:49,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [317, 317, 317] total 510 [2022-02-09 18:20:49,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841596406] [2022-02-09 18:20:49,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:20:49,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 510 states [2022-02-09 18:20:49,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:20:49,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 510 interpolants. [2022-02-09 18:20:49,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53946, Invalid=205644, Unknown=0, NotChecked=0, Total=259590 [2022-02-09 18:20:49,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:20:49,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:20:49,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 510 states, 510 states have (on average 3.0176470588235293) internal successors, (1539), 510 states have internal predecessors, (1539), 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) [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:20:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:20:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:21:37,862 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1949 transitions and produced 1737 states. [2022-02-09 18:21:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:21:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:21:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:21:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:21:37,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-02-09 18:21:38,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-09 18:21:38,074 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:21:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:21:38,075 INFO L85 PathProgramCache]: Analyzing trace with hash 773092123, now seen corresponding path program 30 times [2022-02-09 18:21:38,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:21:38,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638106460] [2022-02-09 18:21:38,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:21:38,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:21:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:21:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 78570 backedges. 0 proven. 78565 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:21:46,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:21:46,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638106460] [2022-02-09 18:21:46,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638106460] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:21:46,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798073757] [2022-02-09 18:21:46,528 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:21:46,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:21:46,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:21:46,529 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:21:46,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-02-09 18:21:46,974 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 163 check-sat command(s) [2022-02-09 18:21:46,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:21:46,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 651 conjunts are in the unsatisfiable core [2022-02-09 18:21:47,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:21:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 78570 backedges. 0 proven. 78565 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:21:49,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:21:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 78570 backedges. 0 proven. 78565 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:21:51,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798073757] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:21:51,766 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:21:51,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [162, 162, 162] total 162 [2022-02-09 18:21:51,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785448800] [2022-02-09 18:21:51,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:21:51,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2022-02-09 18:21:51,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:21:51,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2022-02-09 18:21:51,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2022-02-09 18:21:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:21:51,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:21:51,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 163 states have (on average 6.006134969325154) internal successors, (979), 163 states have internal predecessors, (979), 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) [2022-02-09 18:21:51,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:21:51,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:21:51,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:21:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:21:58,074 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1880 transitions and produced 1741 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:21:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:21:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-02-09 18:21:58,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-02-09 18:21:58,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:21:58,297 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:21:58,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:21:58,297 INFO L85 PathProgramCache]: Analyzing trace with hash 603575402, now seen corresponding path program 31 times [2022-02-09 18:21:58,298 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:21:58,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465859389] [2022-02-09 18:21:58,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:21:58,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:21:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:22:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 84092 backedges. 39420 proven. 44672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:22:17,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:22:17,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465859389] [2022-02-09 18:22:17,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465859389] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:22:17,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684173513] [2022-02-09 18:22:17,744 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 18:22:17,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:22:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:22:17,745 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:22:17,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-02-09 18:22:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:22:18,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 338 conjunts are in the unsatisfiable core [2022-02-09 18:22:18,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:22:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 84092 backedges. 44290 proven. 39802 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:22:32,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:22:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 84092 backedges. 39420 proven. 44672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:22:36,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684173513] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:22:36,923 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:22:36,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [339, 339, 339] total 543 [2022-02-09 18:22:36,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75086196] [2022-02-09 18:22:36,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:22:36,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 543 states [2022-02-09 18:22:36,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:22:36,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 543 interpolants. [2022-02-09 18:22:36,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61382, Invalid=232924, Unknown=0, NotChecked=0, Total=294306 [2022-02-09 18:22:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:22:36,943 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:22:36,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 543 states, 543 states have (on average 3.016574585635359) internal successors, (1638), 543 states have internal predecessors, (1638), 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) [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:22:36,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2022-02-09 18:22:36,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:23:37,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2070 transitions and produced 1848 states. [2022-02-09 18:23:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:23:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:23:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:23:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-02-09 18:23:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 410 states. [2022-02-09 18:23:37,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-02-09 18:23:37,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:23:37,995 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:23:37,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:23:37,996 INFO L85 PathProgramCache]: Analyzing trace with hash -31230681, now seen corresponding path program 32 times [2022-02-09 18:23:37,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:23:37,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497270799] [2022-02-09 18:23:37,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:23:37,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:23:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:23:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 89614 backedges. 0 proven. 89609 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:23:49,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:23:49,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497270799] [2022-02-09 18:23:49,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497270799] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:23:49,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884563014] [2022-02-09 18:23:49,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:23:49,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:23:49,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:23:49,004 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:23:49,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-02-09 18:23:49,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:23:49,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:23:49,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 695 conjunts are in the unsatisfiable core [2022-02-09 18:23:49,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:23:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 89614 backedges. 0 proven. 89609 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:23:52,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:23:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 89614 backedges. 0 proven. 89609 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-09 18:23:55,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884563014] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:23:55,780 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:23:55,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [173, 173, 173] total 173 [2022-02-09 18:23:55,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134754808] [2022-02-09 18:23:55,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:23:55,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2022-02-09 18:23:55,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:23:55,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2022-02-09 18:23:55,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=30103, Unknown=0, NotChecked=0, Total=30450 [2022-02-09 18:23:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:23:55,782 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:23:55,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 174 states have (on average 6.005747126436781) internal successors, (1045), 174 states have internal predecessors, (1045), 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) [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:23:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 410 states. [2022-02-09 18:23:55,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:24:03,306 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2001 transitions and produced 1852 states. [2022-02-09 18:24:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:24:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-02-09 18:24:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 410 states. [2022-02-09 18:24:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-02-09 18:24:03,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-02-09 18:24:03,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-02-09 18:24:03,524 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:24:03,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:24:03,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2023635274, now seen corresponding path program 33 times [2022-02-09 18:24:03,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:24:03,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860008987] [2022-02-09 18:24:03,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:24:03,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:24:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:24:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 95499 backedges. 44942 proven. 50557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:24:24,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:24:24,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860008987] [2022-02-09 18:24:24,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860008987] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:24:24,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398872894] [2022-02-09 18:24:24,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:24:24,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:24:24,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:24:24,454 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:24:24,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-02-09 18:24:25,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 185 check-sat command(s) [2022-02-09 18:24:25,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:24:25,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 360 conjunts are in the unsatisfiable core [2022-02-09 18:24:25,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:24:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 95499 backedges. 50142 proven. 45357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:24:47,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:24:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 95499 backedges. 44942 proven. 50557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:24:52,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398872894] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:24:52,605 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:24:52,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [361, 361, 361] total 576 [2022-02-09 18:24:52,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631110968] [2022-02-09 18:24:52,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:24:52,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 576 states [2022-02-09 18:24:52,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:24:52,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 576 interpolants. [2022-02-09 18:24:52,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69302, Invalid=261898, Unknown=0, NotChecked=0, Total=331200 [2022-02-09 18:24:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:24:52,629 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:24:52,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 576 states, 576 states have (on average 3.015625) internal successors, (1737), 576 states have internal predecessors, (1737), 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) [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2022-02-09 18:24:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 388 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 410 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-02-09 18:24:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-09 18:25:19,647 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 18:25:19,647 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 18:25:19,647 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 18:25:19,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-02-09 18:25:19,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:25:19,848 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-09 18:25:19,850 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-09 18:25:19,850 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 18:25:19,850 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-09 18:25:19,874 INFO L732 BasicCegarLoop]: Path program histogram: [33] [2022-02-09 18:25:19,875 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 18:25:19,875 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 18:25:19,877 INFO L202 PluginConnector]: Adding new model concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:25:19 BasicIcfg [2022-02-09 18:25:19,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 18:25:19,877 INFO L158 Benchmark]: Toolchain (without parser) took 853185.14ms. Allocated memory was 201.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 162.1MB in the beginning and 404.5MB in the end (delta: -242.5MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-09 18:25:19,877 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 18:25:19,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.46ms. Allocated memory is still 201.3MB. Free memory was 162.1MB in the beginning and 160.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 18:25:19,877 INFO L158 Benchmark]: Boogie Preprocessor took 13.22ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 159.6MB in the end (delta: 903.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 18:25:19,877 INFO L158 Benchmark]: RCFGBuilder took 157.35ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 151.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-09 18:25:19,878 INFO L158 Benchmark]: TraceAbstraction took 852983.09ms. Allocated memory was 201.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 150.8MB in the beginning and 404.5MB in the end (delta: -253.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-09 18:25:19,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.46ms. Allocated memory is still 201.3MB. Free memory was 162.1MB in the beginning and 160.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.22ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 159.6MB in the end (delta: 903.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 157.35ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 151.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 852983.09ms. Allocated memory was 201.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 150.8MB in the beginning and 404.5MB in the end (delta: -253.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 852.9s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 33, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 397.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 5593, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 15.1s SatisfiabilityAnalysisTime, 430.8s InterpolantComputationTime, 36858 NumberOfCodeBlocks, 36858 NumberOfCodeBlocksAsserted, 1640 NumberOfCheckSat, 55188 ConstructedInterpolants, 0 QuantifiedInterpolants, 415440 SizeOfPredicates, 72 NumberOfNonLiveVariables, 30880 ConjunctsInSsa, 8986 ConjunctsInUnsatCore, 99 InterpolantComputations, 0 PerfectInterpolantSequences, 825491/3246009 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-02-09 18:25:19,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-09 18:25:20,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 !SESSION 2022-02-09 18:11:04.373 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl !ENTRY org.eclipse.osgi 4 0 2022-02-09 18:25:20.336 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9453f4e12/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9453f4e12/.metadata/.log.