/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/add-sub13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 14:28:59,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 14:28:59,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 14:28:59,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 14:28:59,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 14:28:59,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 14:28:59,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 14:28:59,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 14:28:59,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 14:28:59,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 14:28:59,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 14:28:59,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-22 14:28:59,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 14:28:59,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 14:28:59,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 14:28:59,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 14:28:59,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 14:28:59,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 14:28:59,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 14:28:59,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 14:28:59,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 14:28:59,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 14:28:59,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 14:28:59,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 14:28:59,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-22 14:28:59,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-22 14:28:59,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-22 14:28:59,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-22 14:28:59,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-22 14:28:59,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-10-22 14:28:59,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 14:28:59,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 14:28:59,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 14:28:59,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-22 14:28:59,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 14:28:59,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 14:28:59,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 14:28:59,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 14:28:59,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 14:28:59,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 14:28:59,993 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 14:28:59,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 14:28:59,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 14:28:59,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 14:28:59,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 14:28:59,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 14:28:59,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 14:28:59,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 14:28:59,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 14:28:59,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:28:59,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 14:28:59,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 14:28:59,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 14:28:59,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 14:28:59,997 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 14:29:00,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 14:29:00,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 14:29:00,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 14:29:00,186 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 14:29:00,195 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 14:29:00,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub13.bpl [2021-10-22 14:29:00,196 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub13.bpl' [2021-10-22 14:29:00,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 14:29:00,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 14:29:00,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 14:29:00,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 14:29:00,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 14:29:00,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 14:29:00,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 14:29:00,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 14:29:00,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 14:29:00,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 14:29:00,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 14:29:00,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 14:29:00,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 14:29:00,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/1) ... [2021-10-22 14:29:00,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:29:00,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:29:00,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 14:29:00,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 14:29:00,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 14:29:00,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 14:29:00,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 14:29:00,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-10-22 14:29:00,304 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-10-22 14:29:00,305 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-10-22 14:29:00,305 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 14:29:00,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 14:29:00,410 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-22 14:29:00,411 INFO L202 PluginConnector]: Adding new model add-sub13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:29:00 BoogieIcfgContainer [2021-10-22 14:29:00,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 14:29:00,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 14:29:00,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 14:29:00,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 14:29:00,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:29:00" (1/2) ... [2021-10-22 14:29:00,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a6ec52 and model type add-sub13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:29:00, skipping insertion in model container [2021-10-22 14:29:00,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:29:00" (2/2) ... [2021-10-22 14:29:00,437 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub13.bpl [2021-10-22 14:29:00,441 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 14:29:00,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 14:29:00,441 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 14:29:00,441 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 14:29:00,541 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,541 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,542 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,542 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,542 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,542 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,542 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,542 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,543 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,543 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,543 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,543 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,543 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,544 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,544 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,544 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,544 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,544 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,544 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,545 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,545 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,545 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,545 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,545 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,545 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,546 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,546 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,546 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,546 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,546 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,546 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,547 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,547 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,547 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,547 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,547 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,548 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,548 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,548 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,548 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,548 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,548 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,549 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,549 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,549 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,549 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,549 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,549 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,550 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,550 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,550 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,550 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,550 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,550 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,551 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,551 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,551 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,551 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,551 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,551 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,552 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,552 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,552 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,552 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,552 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,552 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,553 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,553 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,553 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,553 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,553 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,554 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,554 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,554 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,554 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,554 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,554 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,555 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,557 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,568 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,572 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,573 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,578 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,580 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,582 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,586 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,588 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,591 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,593 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,600 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,608 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:29:00,641 INFO L148 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2021-10-22 14:29:00,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 14:29:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:29:00,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 14:29:00,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 14:29:00,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 14:29:00,698 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 14:29:00,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-10-22 14:29:01,946 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:29:01,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:29:01,956 INFO L82 PathProgramCache]: Analyzing trace with hash 153483154, now seen corresponding path program 1 times [2021-10-22 14:29:01,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:29:01,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103740807] [2021-10-22 14:29:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:29:01,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:29:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:29:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2021-10-22 14:29:07,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:29:07,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103740807] [2021-10-22 14:29:07,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103740807] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:07,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504208166] [2021-10-22 14:29:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:29:07,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:29:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:29:07,512 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) [2021-10-22 14:29:07,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 14:29:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:29:07,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:29:07,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:29:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2021-10-22 14:29:10,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504208166] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:10,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:29:10,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84] total 84 [2021-10-22 14:29:10,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626928378] [2021-10-22 14:29:10,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-10-22 14:29:10,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:29:10,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-10-22 14:29:10,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2021-10-22 14:29:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:29:10,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:29:10,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 2.611764705882353) internal successors, (222), 85 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:29:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:29:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:29:32,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-22 14:29:33,097 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 [2021-10-22 14:29:33,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:29:33,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:29:33,098 INFO L82 PathProgramCache]: Analyzing trace with hash 6283420, now seen corresponding path program 2 times [2021-10-22 14:29:33,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:29:33,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486523417] [2021-10-22 14:29:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:29:33,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:29:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:29:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1127 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-10-22 14:29:38,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:29:38,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486523417] [2021-10-22 14:29:38,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486523417] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:38,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647752075] [2021-10-22 14:29:38,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:29:38,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:29:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:29:38,041 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) [2021-10-22 14:29:38,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 14:29:38,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:29:38,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:29:38,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:29:38,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:29:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1127 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-10-22 14:29:40,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647752075] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:29:40,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:29:40,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 85 [2021-10-22 14:29:40,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519736778] [2021-10-22 14:29:40,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-22 14:29:40,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:29:40,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-22 14:29:40,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2021-10-22 14:29:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:29:40,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:29:40,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 2.5813953488372094) internal successors, (222), 86 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:29:40,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:29:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:30:03,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:30:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:03,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-22 14:30:04,123 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 [2021-10-22 14:30:04,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:30:04,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:30:04,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1559719150, now seen corresponding path program 3 times [2021-10-22 14:30:04,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:30:04,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706996348] [2021-10-22 14:30:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:30:04,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:30:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:30:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1137 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-10-22 14:30:08,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:30:08,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706996348] [2021-10-22 14:30:08,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706996348] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:30:08,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277435729] [2021-10-22 14:30:08,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:30:08,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:30:08,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:30:08,744 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) [2021-10-22 14:30:08,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 14:30:09,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-10-22 14:30:09,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:30:09,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:30:09,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:30:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1137 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-10-22 14:30:11,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277435729] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:30:11,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:30:11,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 85 [2021-10-22 14:30:11,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882628879] [2021-10-22 14:30:11,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-22 14:30:11,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:30:11,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-22 14:30:11,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2021-10-22 14:30:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:30:11,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:30:11,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 2.5813953488372094) internal successors, (222), 86 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:30:11,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:30:11,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:11,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:30:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:30:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:34,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 14:30:34,975 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 [2021-10-22 14:30:34,975 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:30:34,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:30:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash -743034970, now seen corresponding path program 4 times [2021-10-22 14:30:34,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:30:34,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639210499] [2021-10-22 14:30:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:30:34,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:30:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:30:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-10-22 14:30:39,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:30:39,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639210499] [2021-10-22 14:30:39,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639210499] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:30:39,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86607727] [2021-10-22 14:30:39,458 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:30:39,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:30:39,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:30:39,459 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) [2021-10-22 14:30:39,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 14:30:40,508 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:30:40,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:30:40,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:30:40,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:30:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-10-22 14:30:42,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86607727] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:30:42,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:30:42,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 85 [2021-10-22 14:30:42,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350362473] [2021-10-22 14:30:42,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-22 14:30:42,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:30:42,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-22 14:30:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2021-10-22 14:30:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:30:42,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:30:42,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 2.5930232558139537) internal successors, (223), 86 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:30:42,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:30:42,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:42,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:30:42,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:31:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:05,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-22 14:31:05,677 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 [2021-10-22 14:31:05,677 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:31:05,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:31:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1602507588, now seen corresponding path program 5 times [2021-10-22 14:31:05,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:31:05,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180674906] [2021-10-22 14:31:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:31:05,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:31:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:31:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1127 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-10-22 14:31:10,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:31:10,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180674906] [2021-10-22 14:31:10,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180674906] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:10,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372855771] [2021-10-22 14:31:10,114 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:31:10,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:31:10,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:31:10,115 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) [2021-10-22 14:31:10,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 14:31:11,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-10-22 14:31:11,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:31:11,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:31:11,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:31:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1127 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-10-22 14:31:13,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372855771] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:13,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:31:13,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 85 [2021-10-22 14:31:13,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086507079] [2021-10-22 14:31:13,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-22 14:31:13,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:31:13,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-22 14:31:13,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2021-10-22 14:31:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:13,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:31:13,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 2.5813953488372094) internal successors, (222), 86 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:31:13,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:31:13,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:13,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:31:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:35,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-22 14:31:36,046 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 [2021-10-22 14:31:36,047 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:31:36,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:31:36,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1873986242, now seen corresponding path program 6 times [2021-10-22 14:31:36,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:31:36,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035291120] [2021-10-22 14:31:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:31:36,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:31:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:31:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 1124 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-10-22 14:31:40,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:31:40,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035291120] [2021-10-22 14:31:40,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035291120] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:40,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549973462] [2021-10-22 14:31:40,463 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:31:40,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:31:40,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:31:40,464 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) [2021-10-22 14:31:40,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 14:31:42,036 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-10-22 14:31:42,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:31:42,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:31:42,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:31:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 1124 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-10-22 14:31:44,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549973462] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:31:44,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:31:44,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:31:44,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956917364] [2021-10-22 14:31:44,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:31:44,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:31:44,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:31:44,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:31:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:31:44,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:31:44,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:31:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:31:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:31:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:32:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:06,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 14:32:07,041 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 [2021-10-22 14:32:07,042 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:32:07,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:32:07,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1758454904, now seen corresponding path program 7 times [2021-10-22 14:32:07,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:32:07,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268315432] [2021-10-22 14:32:07,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:32:07,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:32:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:32:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 1129 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-10-22 14:32:11,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:32:11,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268315432] [2021-10-22 14:32:11,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268315432] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:11,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802809151] [2021-10-22 14:32:11,395 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:32:11,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:32:11,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:32:11,396 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) [2021-10-22 14:32:11,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 14:32:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:32:13,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:32:13,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:32:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 1129 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-10-22 14:32:15,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802809151] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:15,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:32:15,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:32:15,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868837970] [2021-10-22 14:32:15,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:32:15,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:32:15,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:32:15,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:32:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:15,277 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:32:15,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:32:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:32:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:15,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:37,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:37,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 14:32:38,074 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 [2021-10-22 14:32:38,075 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:32:38,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:32:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash 309036972, now seen corresponding path program 8 times [2021-10-22 14:32:38,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:32:38,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440282540] [2021-10-22 14:32:38,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:32:38,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:32:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:32:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 1150 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2021-10-22 14:32:42,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:32:42,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440282540] [2021-10-22 14:32:42,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440282540] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:42,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351067150] [2021-10-22 14:32:42,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:32:42,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:32:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:32:42,243 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) [2021-10-22 14:32:42,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-22 14:32:44,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:32:44,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:32:44,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:32:44,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:32:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 1150 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2021-10-22 14:32:46,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351067150] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:32:46,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:32:46,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84] total 84 [2021-10-22 14:32:46,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100475010] [2021-10-22 14:32:46,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-10-22 14:32:46,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:32:46,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-10-22 14:32:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2021-10-22 14:32:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:32:46,345 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:32:46,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 2.588235294117647) internal successors, (220), 85 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:32:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:32:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:46,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:46,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:32:46,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:46,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:32:46,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:08,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:08,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-22 14:33:08,475 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 [2021-10-22 14:33:08,475 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:33:08,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:33:08,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1543311494, now seen corresponding path program 9 times [2021-10-22 14:33:08,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:33:08,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099739667] [2021-10-22 14:33:08,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:33:08,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:33:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:33:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1142 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-22 14:33:12,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:33:12,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099739667] [2021-10-22 14:33:12,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099739667] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:12,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464345462] [2021-10-22 14:33:12,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:33:12,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:12,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:12,839 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) [2021-10-22 14:33:12,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-22 14:33:15,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-10-22 14:33:15,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:33:15,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:33:15,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:33:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1142 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-22 14:33:17,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464345462] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:17,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:33:17,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 85 [2021-10-22 14:33:17,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561470614] [2021-10-22 14:33:17,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-22 14:33:17,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:33:17,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-22 14:33:17,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2021-10-22 14:33:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:17,302 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:33:17,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 2.5697674418604652) internal successors, (221), 86 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:39,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:39,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-22 14:33:39,900 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 [2021-10-22 14:33:39,900 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:33:39,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:33:39,900 INFO L82 PathProgramCache]: Analyzing trace with hash 867406498, now seen corresponding path program 10 times [2021-10-22 14:33:39,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:33:39,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229623108] [2021-10-22 14:33:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:33:39,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:33:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:33:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-10-22 14:33:44,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:33:44,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229623108] [2021-10-22 14:33:44,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229623108] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:44,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672989909] [2021-10-22 14:33:44,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:33:44,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:44,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:44,240 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) [2021-10-22 14:33:44,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-22 14:33:46,873 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:33:46,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:33:46,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:33:46,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:33:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-10-22 14:33:48,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672989909] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:48,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:33:48,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:33:48,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514852970] [2021-10-22 14:33:48,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:33:48,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:33:48,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:33:48,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:33:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:48,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:33:48,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5632183908045976) internal successors, (223), 87 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:33:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:11,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-22 14:34:11,869 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 [2021-10-22 14:34:11,869 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:34:11,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:34:11,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1991779442, now seen corresponding path program 11 times [2021-10-22 14:34:11,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:34:11,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157613486] [2021-10-22 14:34:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:34:11,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:34:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:34:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-22 14:34:16,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:34:16,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157613486] [2021-10-22 14:34:16,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157613486] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:16,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109478594] [2021-10-22 14:34:16,301 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:34:16,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:34:16,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:34:16,302 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) [2021-10-22 14:34:16,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-22 14:34:19,232 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-10-22 14:34:19,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:34:19,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:34:19,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:34:21,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-22 14:34:21,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109478594] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:21,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:34:21,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:34:21,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342105572] [2021-10-22 14:34:21,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:34:21,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:34:21,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:34:21,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:34:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:21,256 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:34:21,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:21,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:21,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:21,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:21,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:21,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:43,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-22 14:34:44,015 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 [2021-10-22 14:34:44,015 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:34:44,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:34:44,016 INFO L82 PathProgramCache]: Analyzing trace with hash -438343712, now seen corresponding path program 12 times [2021-10-22 14:34:44,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:34:44,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658579058] [2021-10-22 14:34:44,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:34:44,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:34:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:34:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1141 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2021-10-22 14:34:48,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:34:48,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658579058] [2021-10-22 14:34:48,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658579058] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:48,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711024990] [2021-10-22 14:34:48,308 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:34:48,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:34:48,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:34:48,309 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) [2021-10-22 14:34:48,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-22 14:34:51,477 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-10-22 14:34:51,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:34:51,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:34:51,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:34:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1141 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2021-10-22 14:34:53,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711024990] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:53,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:34:53,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:34:53,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945664111] [2021-10-22 14:34:53,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:34:53,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:34:53,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:34:53,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:34:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:53,642 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:34:53,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:34:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:34:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:35:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:35:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:16,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-22 14:35:16,673 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 [2021-10-22 14:35:16,674 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:35:16,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:35:16,674 INFO L82 PathProgramCache]: Analyzing trace with hash 546115752, now seen corresponding path program 13 times [2021-10-22 14:35:16,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:35:16,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122083049] [2021-10-22 14:35:16,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:35:16,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:35:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:35:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-10-22 14:35:21,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:35:21,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122083049] [2021-10-22 14:35:21,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122083049] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:35:21,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611414583] [2021-10-22 14:35:21,221 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:35:21,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:35:21,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:35:21,235 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) [2021-10-22 14:35:21,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-22 14:35:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:35:24,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:35:24,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:35:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-10-22 14:35:26,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611414583] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:35:26,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:35:26,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:35:26,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727096351] [2021-10-22 14:35:26,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:35:26,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:35:26,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:35:26,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:35:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:35:26,780 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:35:26,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:26,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:35:49,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-22 14:35:49,910 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 [2021-10-22 14:35:49,910 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:35:49,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:35:49,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1208641902, now seen corresponding path program 14 times [2021-10-22 14:35:49,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:35:49,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720832757] [2021-10-22 14:35:49,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:35:49,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:35:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:35:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-22 14:35:54,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:35:54,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720832757] [2021-10-22 14:35:54,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720832757] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:35:54,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362126474] [2021-10-22 14:35:54,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:35:54,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:35:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:35:54,379 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) [2021-10-22 14:35:54,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-22 14:35:58,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:35:58,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:35:58,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:35:58,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:36:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-22 14:36:00,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362126474] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:00,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:36:00,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:36:00,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26213466] [2021-10-22 14:36:00,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:36:00,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:36:00,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:36:00,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:36:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:00,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:36:00,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:00,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:00,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:00,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:00,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:00,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:00,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:00,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:23,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-22 14:36:23,507 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 [2021-10-22 14:36:23,507 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:36:23,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:36:23,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2146627478, now seen corresponding path program 15 times [2021-10-22 14:36:23,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:36:23,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446666832] [2021-10-22 14:36:23,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:36:23,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:36:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:36:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1145 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-22 14:36:27,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:36:27,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446666832] [2021-10-22 14:36:27,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446666832] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:27,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444919600] [2021-10-22 14:36:27,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:36:27,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:36:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:36:27,860 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) [2021-10-22 14:36:27,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-22 14:36:31,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-10-22 14:36:31,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:36:31,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:36:31,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:36:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1145 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-22 14:36:33,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444919600] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:33,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:36:33,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:36:33,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798135655] [2021-10-22 14:36:33,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:36:33,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:36:33,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:36:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:36:33,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:33,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:36:33,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:33,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:36:56,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-22 14:36:56,674 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 [2021-10-22 14:36:56,674 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:36:56,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:36:56,674 INFO L82 PathProgramCache]: Analyzing trace with hash -752772352, now seen corresponding path program 16 times [2021-10-22 14:36:56,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:36:56,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078886280] [2021-10-22 14:36:56,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:36:56,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:36:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:37:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-10-22 14:37:01,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:37:01,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078886280] [2021-10-22 14:37:01,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078886280] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:37:01,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370364646] [2021-10-22 14:37:01,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:37:01,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:37:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:37:01,113 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) [2021-10-22 14:37:01,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-22 14:37:05,356 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:37:05,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:37:05,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:37:05,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:37:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-10-22 14:37:07,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370364646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:37:07,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:37:07,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:37:07,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217212316] [2021-10-22 14:37:07,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:37:07,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:37:07,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:37:07,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:37:07,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:37:07,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:37:07,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5517241379310347) internal successors, (222), 87 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:37:07,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:37:07,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:07,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:30,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-22 14:37:30,235 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 [2021-10-22 14:37:30,235 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:37:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:37:30,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1959843436, now seen corresponding path program 17 times [2021-10-22 14:37:30,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:37:30,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557323884] [2021-10-22 14:37:30,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:37:30,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:37:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:37:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 1118 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-10-22 14:37:34,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:37:34,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557323884] [2021-10-22 14:37:34,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557323884] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:37:34,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81075668] [2021-10-22 14:37:34,613 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:37:34,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:37:34,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:37:34,614 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) [2021-10-22 14:37:34,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-22 14:37:39,203 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-10-22 14:37:39,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:37:39,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:37:39,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:37:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 1118 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-10-22 14:37:41,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81075668] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:37:41,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:37:41,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:37:41,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688007039] [2021-10-22 14:37:41,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:37:41,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:37:41,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:37:41,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:37:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:37:41,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:37:41,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5632183908045976) internal successors, (223), 87 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:37:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:06,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-10-22 14:38:06,847 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 [2021-10-22 14:38:06,847 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:38:06,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:38:06,848 INFO L82 PathProgramCache]: Analyzing trace with hash 2077195936, now seen corresponding path program 18 times [2021-10-22 14:38:06,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:38:06,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782613500] [2021-10-22 14:38:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:38:06,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:38:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:38:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-10-22 14:38:11,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:38:11,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782613500] [2021-10-22 14:38:11,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782613500] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:38:11,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344575010] [2021-10-22 14:38:11,344 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:38:11,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:38:11,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:38:11,344 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) [2021-10-22 14:38:11,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-22 14:38:16,240 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-10-22 14:38:16,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:38:16,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:38:16,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:38:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-10-22 14:38:18,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344575010] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:38:18,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:38:18,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 85 [2021-10-22 14:38:18,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169687175] [2021-10-22 14:38:18,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-22 14:38:18,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:38:18,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-22 14:38:18,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2021-10-22 14:38:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:38:18,307 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:38:18,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 2.5930232558139537) internal successors, (223), 86 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:18,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:40,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-22 14:38:40,900 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 [2021-10-22 14:38:40,901 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:38:40,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:38:40,901 INFO L82 PathProgramCache]: Analyzing trace with hash 2139284486, now seen corresponding path program 19 times [2021-10-22 14:38:40,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:38:40,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952848662] [2021-10-22 14:38:40,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:38:40,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:38:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:38:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-10-22 14:38:45,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:38:45,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952848662] [2021-10-22 14:38:45,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952848662] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:38:45,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967744931] [2021-10-22 14:38:45,329 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:38:45,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:38:45,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:38:45,329 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) [2021-10-22 14:38:45,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-22 14:38:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:38:50,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:38:50,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:38:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-10-22 14:38:52,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967744931] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:38:52,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:38:52,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:38:52,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688378595] [2021-10-22 14:38:52,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:38:52,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:38:52,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:38:52,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:38:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:38:52,481 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:38:52,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5632183908045976) internal successors, (223), 87 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:38:52,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:38:52,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:15,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-22 14:39:15,261 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 [2021-10-22 14:39:15,262 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:39:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:39:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1191479144, now seen corresponding path program 20 times [2021-10-22 14:39:15,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:39:15,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792941306] [2021-10-22 14:39:15,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:39:15,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:39:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:39:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 1126 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-22 14:39:19,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:39:19,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792941306] [2021-10-22 14:39:19,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792941306] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:39:19,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410103516] [2021-10-22 14:39:19,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:39:19,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:39:19,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:39:19,643 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) [2021-10-22 14:39:19,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-22 14:39:25,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:39:25,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:39:25,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:39:25,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:39:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 1126 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-22 14:39:27,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410103516] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:39:27,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:39:27,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:39:27,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440701363] [2021-10-22 14:39:27,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:39:27,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:39:27,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:39:27,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:39:27,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:39:27,150 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:39:27,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5632183908045976) internal successors, (223), 87 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:27,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:27,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:39:49,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-22 14:39:49,916 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 [2021-10-22 14:39:49,917 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:39:49,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:39:49,917 INFO L82 PathProgramCache]: Analyzing trace with hash -2096279160, now seen corresponding path program 21 times [2021-10-22 14:39:49,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:39:49,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643349852] [2021-10-22 14:39:49,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:39:49,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:39:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:39:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-10-22 14:39:54,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:39:54,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643349852] [2021-10-22 14:39:54,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643349852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:39:54,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525079870] [2021-10-22 14:39:54,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:39:54,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:39:54,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:39:54,380 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) [2021-10-22 14:39:54,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-22 14:40:00,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-10-22 14:40:00,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:40:00,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:40:00,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:40:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-10-22 14:40:02,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525079870] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:40:02,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:40:02,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 86 [2021-10-22 14:40:02,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122106922] [2021-10-22 14:40:02,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-22 14:40:02,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:40:02,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-22 14:40:02,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2021-10-22 14:40:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:40:02,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:40:02,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 2.5632183908045976) internal successors, (223), 87 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:02,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:26,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-22 14:40:26,371 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 [2021-10-22 14:40:26,372 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:40:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:40:26,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1943013924, now seen corresponding path program 22 times [2021-10-22 14:40:26,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:40:26,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452832261] [2021-10-22 14:40:26,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:40:26,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:40:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:40:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 1146 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-10-22 14:40:30,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:40:30,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452832261] [2021-10-22 14:40:30,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452832261] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:40:30,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245450929] [2021-10-22 14:40:30,705 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:40:30,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:40:30,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:40:30,706 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) [2021-10-22 14:40:30,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-22 14:40:36,857 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:40:36,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:40:36,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 435 conjunts are in the unsatisfiable core [2021-10-22 14:40:36,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:40:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 1146 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-10-22 14:40:38,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245450929] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:40:38,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:40:38,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83] total 83 [2021-10-22 14:40:38,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886698787] [2021-10-22 14:40:38,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2021-10-22 14:40:38,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:40:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-10-22 14:40:38,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2021-10-22 14:40:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:40:38,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:40:38,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 2.630952380952381) internal successors, (221), 84 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:40:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:40:39,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:41:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-22 14:41:01,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-10-22 14:41:01,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-22 14:41:01,738 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 [2021-10-22 14:41:01,738 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2021-10-22 14:41:01,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:41:01,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1795814190, now seen corresponding path program 23 times [2021-10-22 14:41:01,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:41:01,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737444698] [2021-10-22 14:41:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:41:01,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:41:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-22 14:41:04,591 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 14:41:04,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-22 14:41:04,591 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-22 14:41:04,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9INUSE_VIOLATION [2021-10-22 14:41:04,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10INUSE_VIOLATION [2021-10-22 14:41:04,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11INUSE_VIOLATION [2021-10-22 14:41:04,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12INUSE_VIOLATION [2021-10-22 14:41:04,598 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 14:41:04,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 14:41:04,598 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 [2021-10-22 14:41:04,599 INFO L202 PluginConnector]: Adding new model add-sub13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:41:04 BasicIcfg [2021-10-22 14:41:04,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 14:41:04,600 INFO L168 Benchmark]: Toolchain (without parser) took 724384.63 ms. Allocated memory was 190.8 MB in the beginning and 854.6 MB in the end (delta: 663.7 MB). Free memory was 153.0 MB in the beginning and 300.1 MB in the end (delta: -147.0 MB). Peak memory consumption was 517.2 MB. Max. memory is 8.0 GB. [2021-10-22 14:41:04,600 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 154.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 14:41:04,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 190.8 MB. Free memory was 152.9 MB in the beginning and 151.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:41:04,600 INFO L168 Benchmark]: Boogie Preprocessor took 10.08 ms. Allocated memory is still 190.8 MB. Free memory was 151.4 MB in the beginning and 150.5 MB in the end (delta: 907.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:41:04,601 INFO L168 Benchmark]: RCFGBuilder took 163.22 ms. Allocated memory is still 190.8 MB. Free memory was 150.4 MB in the beginning and 140.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-22 14:41:04,601 INFO L168 Benchmark]: TraceAbstraction took 724186.54 ms. Allocated memory was 190.8 MB in the beginning and 854.6 MB in the end (delta: 663.7 MB). Free memory was 139.7 MB in the beginning and 300.1 MB in the end (delta: -160.4 MB). Peak memory consumption was 503.6 MB. Max. memory is 8.0 GB. [2021-10-22 14:41:04,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-10-22 14:41:04,604 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 154.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 190.8 MB. Free memory was 152.9 MB in the beginning and 151.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.08 ms. Allocated memory is still 190.8 MB. Free memory was 151.4 MB in the beginning and 150.5 MB in the end (delta: 907.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 163.22 ms. Allocated memory is still 190.8 MB. Free memory was 150.4 MB in the beginning and 140.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 724186.54 ms. Allocated memory was 190.8 MB in the beginning and 854.6 MB in the end (delta: 663.7 MB). Free memory was 139.7 MB in the beginning and 300.1 MB in the end (delta: -160.4 MB). Peak memory consumption was 503.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 643200, positive: 617684, positive conditional: 608755, positive unconditional: 8929, negative: 25516, negative conditional: 25504, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 617696, positive: 617684, positive conditional: 0, positive unconditional: 617684, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6876, positive: 6864, positive conditional: 0, positive unconditional: 6864, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6876, positive: 6228, positive conditional: 0, positive unconditional: 6228, negative: 648, negative conditional: 0, negative unconditional: 648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 648, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 711, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 617696, positive: 610820, positive conditional: 0, positive unconditional: 610820, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6876, unknown conditional: 0, unknown unconditional: 6876] , Statistics on independence cache: Total cache size (in pairs): 6876, Positive cache size: 6864, Positive conditional cache size: 0, Positive unconditional cache size: 6864, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 25504 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 965, Number of persistent set computation: 724, Number of trivial persistent sets: 43, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 643200, positive: 617684, positive conditional: 608755, positive unconditional: 8929, negative: 25516, negative conditional: 25504, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 617696, positive: 617684, positive conditional: 0, positive unconditional: 617684, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6876, positive: 6864, positive conditional: 0, positive unconditional: 6864, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6876, positive: 6228, positive conditional: 0, positive unconditional: 6228, negative: 648, negative conditional: 0, negative unconditional: 648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 648, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 711, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 617696, positive: 610820, positive conditional: 0, positive unconditional: 610820, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6876, unknown conditional: 0, unknown unconditional: 6876] , Statistics on independence cache: Total cache size (in pairs): 6876, Positive cache size: 6864, Positive conditional cache size: 0, Positive unconditional cache size: 6864, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 25504 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 36]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 10]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 16]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - 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 PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 11]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 12]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 14]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 9]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - TimeoutResultAtElement [Line: 9]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 366 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 15 procedures, 100 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 723927.0ms, OverallIterations: 23, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 503227.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1923, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 894.7ms SsaConstructionTime, 3476.5ms SatisfiabilityAnalysisTime, 143582.7ms InterpolantComputationTime, 16060 NumberOfCodeBlocks, 16060 NumberOfCodeBlocksAsserted, 158 NumberOfCheckSat, 16016 ConstructedInterpolants, 0 QuantifiedInterpolants, 195616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 20284 ConjunctsInSsa, 9570 ConjunctsInUnsatCore, 44 InterpolantComputations, 0 PerfectInterpolantSequences, 19216/69000 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