/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-sub16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 14:33:11,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 14:33:11,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 14:33:12,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 14:33:12,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 14:33:12,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 14:33:12,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 14:33:12,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 14:33:12,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 14:33:12,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 14:33:12,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 14:33:12,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 14:33:12,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 14:33:12,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 14:33:12,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 14:33:12,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 14:33:12,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 14:33:12,110 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 14:33:12,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 14:33:12,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 14:33:12,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 14:33:12,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 14:33:12,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 14:33:12,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 14:33:12,124 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 14:33:12,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 14:33:12,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 14:33:12,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 14:33:12,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 14:33:12,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 14:33:12,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 14:33:12,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 14:33:12,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:33:12,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 14:33:12,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 14:33:12,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 14:33:12,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 14:33:12,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 14:33:12,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 14:33:12,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 14:33:12,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 14:33:12,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 14:33:12,337 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 14:33:12,337 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 14:33:12,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub16.bpl [2021-10-22 14:33:12,338 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub16.bpl' [2021-10-22 14:33:12,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 14:33:12,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 14:33:12,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 14:33:12,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 14:33:12,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 14:33:12,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 14:33:12,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 14:33:12,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 14:33:12,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 14:33:12,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 14:33:12,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 14:33:12,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 14:33:12,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 14:33:12,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/1) ... [2021-10-22 14:33:12,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:33:12,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:12,410 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 14:33:12,412 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 14:33:12,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 14:33:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 14:33:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 14:33:12,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-10-22 14:33:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-10-22 14:33:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-10-22 14:33:12,462 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 14:33:12,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 14:33:12,582 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-22 14:33:12,584 INFO L202 PluginConnector]: Adding new model add-sub16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:33:12 BoogieIcfgContainer [2021-10-22 14:33:12,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 14:33:12,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 14:33:12,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 14:33:12,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 14:33:12,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:33:12" (1/2) ... [2021-10-22 14:33:12,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2ac893 and model type add-sub16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:33:12, skipping insertion in model container [2021-10-22 14:33:12,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:33:12" (2/2) ... [2021-10-22 14:33:12,596 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub16.bpl [2021-10-22 14:33:12,599 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 14:33:12,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 14:33:12,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 14:33:12,599 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 14:33:12,692 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,692 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,692 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,693 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,694 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,695 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,696 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,697 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,698 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,699 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,700 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,701 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,702 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,703 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,703 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,703 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,703 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,703 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,703 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,704 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,705 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,705 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,705 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,705 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,705 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,706 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,706 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,706 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,706 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,706 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,706 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,707 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,707 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,707 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,707 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,707 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,707 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,708 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,708 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,708 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,708 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,710 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,713 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,714 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,716 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,717 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,719 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,721 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,724 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork7_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,727 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork8_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,730 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork9_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,733 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork10_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,736 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork11_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,740 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork12_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,743 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork13_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,747 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork14_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,752 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork15_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 14:33:12,795 INFO L148 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-10-22 14:33:12,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 14:33:12,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:12,828 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 14:33:12,829 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 14:33:12,862 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 14:33:12,866 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 14:33:12,867 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-10-22 14:33:14,611 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:33:14,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:33:14,624 INFO L82 PathProgramCache]: Analyzing trace with hash -195287390, now seen corresponding path program 1 times [2021-10-22 14:33:14,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:33:14,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660744854] [2021-10-22 14:33:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:33:14,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:33:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:33:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 0 proven. 2148 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2021-10-22 14:33:25,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:33:25,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660744854] [2021-10-22 14:33:25,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660744854] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:25,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572597405] [2021-10-22 14:33:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:33:25,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:33:25,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:33:25,915 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 14:33:25,917 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 14:33:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:33:26,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:33:26,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:33:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 0 proven. 2148 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2021-10-22 14:33:29,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572597405] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:33:29,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:33:29,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 137 [2021-10-22 14:33:29,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011763801] [2021-10-22 14:33:29,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-10-22 14:33:29,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:33:29,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-10-22 14:33:29,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2021-10-22 14:33:29,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:33:29,759 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:33:29,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 138 states have (on average 2.3405797101449277) internal successors, (323), 138 states have internal predecessors, (323), 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 14:33:29,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:29,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:34:29,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 14:34:29,736 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 14:34:29,736 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:34:29,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:34:29,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1663899472, now seen corresponding path program 2 times [2021-10-22 14:34:29,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:34:29,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112160576] [2021-10-22 14:34:29,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:34:29,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:34:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:34:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2021-10-22 14:34:40,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:34:40,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112160576] [2021-10-22 14:34:40,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112160576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:40,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915690951] [2021-10-22 14:34:40,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:34:40,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:34:40,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:34:40,044 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 14:34:40,045 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 14:34:40,702 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:34:40,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:34:40,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:34:40,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:34:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2021-10-22 14:34:43,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915690951] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:34:43,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:34:43,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 137 [2021-10-22 14:34:43,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874162419] [2021-10-22 14:34:43,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-10-22 14:34:43,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:34:43,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-10-22 14:34:43,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2021-10-22 14:34:43,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:34:43,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:34:43,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 138 states have (on average 2.3405797101449277) internal successors, (323), 138 states have internal predecessors, (323), 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 14:34:43,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:34:43,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:35:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:35:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:35:47,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 14:35:47,767 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 14:35:47,767 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:35:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:35:47,768 INFO L82 PathProgramCache]: Analyzing trace with hash 835085904, now seen corresponding path program 3 times [2021-10-22 14:35:47,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:35:47,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404639952] [2021-10-22 14:35:47,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:35:47,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:35:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:35:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2168 refuted. 0 times theorem prover too weak. 835 trivial. 0 not checked. [2021-10-22 14:35:57,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:35:57,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404639952] [2021-10-22 14:35:57,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404639952] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:35:57,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716269630] [2021-10-22 14:35:57,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:35:57,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:35:57,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:35:57,447 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 14:35:57,450 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 14:35:58,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-10-22 14:35:58,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:35:58,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:35:58,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:36:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2168 refuted. 0 times theorem prover too weak. 835 trivial. 0 not checked. [2021-10-22 14:36:01,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716269630] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:36:01,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:36:01,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 137 [2021-10-22 14:36:01,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451439310] [2021-10-22 14:36:01,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-10-22 14:36:01,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:36:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-10-22 14:36:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2021-10-22 14:36:01,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:01,585 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:36:01,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 138 states have (on average 2.3405797101449277) internal successors, (323), 138 states have internal predecessors, (323), 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 14:36:01,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:36:01,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:36:01,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:36:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:36:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:36:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:36:58,698 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 14:36:58,895 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 14:36:58,895 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:36:58,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:36:58,896 INFO L82 PathProgramCache]: Analyzing trace with hash -409188594, now seen corresponding path program 4 times [2021-10-22 14:36:58,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:36:58,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233808524] [2021-10-22 14:36:58,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:36:58,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:36:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:37:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2997 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2021-10-22 14:37:09,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:37:09,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233808524] [2021-10-22 14:37:09,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233808524] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:37:09,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281788349] [2021-10-22 14:37:09,230 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:37:09,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:37:09,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:37:09,231 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 14:37:09,232 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 14:37:10,705 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:37:10,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:37:10,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:37:10,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:37:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2997 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2021-10-22 14:37:13,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281788349] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:37:13,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:37:13,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 137 [2021-10-22 14:37:13,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65581588] [2021-10-22 14:37:13,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-10-22 14:37:13,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:37:13,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-10-22 14:37:13,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2021-10-22 14:37:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:37:13,590 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:37:13,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 138 states have (on average 2.3405797101449277) internal successors, (323), 138 states have internal predecessors, (323), 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 14:37:13,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:37:13,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:37:13,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:37:13,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:38:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:11,056 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 14:38:11,253 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 14:38:11,254 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:38:11,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:38:11,254 INFO L82 PathProgramCache]: Analyzing trace with hash 483369024, now seen corresponding path program 5 times [2021-10-22 14:38:11,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:38:11,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421036256] [2021-10-22 14:38:11,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:38:11,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:38:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:38:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2973 backedges. 0 proven. 2171 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2021-10-22 14:38:20,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:38:20,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421036256] [2021-10-22 14:38:20,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421036256] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:38:20,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478292694] [2021-10-22 14:38:20,769 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:38:20,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:38:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:38:20,770 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 14:38:20,775 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 14:38:22,648 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-10-22 14:38:22,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:38:22,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:38:22,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:38:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2973 backedges. 0 proven. 2171 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2021-10-22 14:38:25,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478292694] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:38:25,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:38:25,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 137 [2021-10-22 14:38:25,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180173849] [2021-10-22 14:38:25,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-10-22 14:38:25,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:38:25,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-10-22 14:38:25,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2021-10-22 14:38:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:38:25,008 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:38:25,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 138 states have (on average 2.347826086956522) internal successors, (324), 138 states have internal predecessors, (324), 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 14:38:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:38:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:39:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:24,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 14:39:24,283 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 14:39:24,284 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:39:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:39:24,284 INFO L82 PathProgramCache]: Analyzing trace with hash -673541368, now seen corresponding path program 6 times [2021-10-22 14:39:24,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:39:24,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748036912] [2021-10-22 14:39:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:39:24,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:39:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:39:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2021-10-22 14:39:32,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:39:32,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748036912] [2021-10-22 14:39:32,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748036912] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:39:32,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784403929] [2021-10-22 14:39:32,531 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:39:32,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:39:32,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:39:32,532 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 14:39:32,533 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 14:39:34,468 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-10-22 14:39:34,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:39:34,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:39:34,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:39:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2021-10-22 14:39:37,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784403929] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:39:37,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:39:37,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:39:37,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193435601] [2021-10-22 14:39:37,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:39:37,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:39:37,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:39:37,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:39:37,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:39:37,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:39:37,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.323741007194245) internal successors, (323), 139 states have internal predecessors, (323), 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 14:39:37,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:37,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:37,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:37,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:37,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:39:37,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:40:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:40:36,727 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 14:40:36,911 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 14:40:36,912 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:40:36,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:40:36,912 INFO L82 PathProgramCache]: Analyzing trace with hash -2142153450, now seen corresponding path program 7 times [2021-10-22 14:40:36,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:40:36,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508596693] [2021-10-22 14:40:36,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:40:36,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:40:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:40:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2156 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2021-10-22 14:40:46,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:40:46,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508596693] [2021-10-22 14:40:46,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508596693] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:40:46,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107531326] [2021-10-22 14:40:46,489 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 14:40:46,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:40:46,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:40:46,490 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 14:40:46,491 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 14:40:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:40:48,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:40:48,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:40:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2156 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2021-10-22 14:40:51,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107531326] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:40:51,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:40:51,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:40:51,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343257955] [2021-10-22 14:40:51,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:40:51,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:40:51,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:40:51,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:40:51,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:40:51,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:40:51,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.323741007194245) internal successors, (323), 139 states have internal predecessors, (323), 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 14:40:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:40:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:40:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:41:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:41:45,506 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 14:41:45,682 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 14:41:45,682 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:41:45,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:41:45,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1911700042, now seen corresponding path program 8 times [2021-10-22 14:41:45,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:41:45,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397811439] [2021-10-22 14:41:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:41:45,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:41:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:41:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2997 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2021-10-22 14:41:54,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:41:54,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397811439] [2021-10-22 14:41:54,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397811439] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:41:54,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50520766] [2021-10-22 14:41:54,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:41:54,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:41:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:41:54,673 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 14:41:54,674 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 14:41:57,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:41:57,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:41:57,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:41:57,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:42:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2997 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2021-10-22 14:42:00,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50520766] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:42:00,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:42:00,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:42:00,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020989597] [2021-10-22 14:42:00,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:42:00,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:42:00,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:42:00,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:42:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:42:00,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:42:00,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.323741007194245) internal successors, (323), 139 states have internal predecessors, (323), 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 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:42:00,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:42:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:42:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:42:59,825 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 14:42:59,999 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 14:42:59,999 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:43:00,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:43:00,000 INFO L82 PathProgramCache]: Analyzing trace with hash 2042918072, now seen corresponding path program 9 times [2021-10-22 14:43:00,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:43:00,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269081506] [2021-10-22 14:43:00,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:43:00,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:43:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:43:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2177 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2021-10-22 14:43:08,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:43:08,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269081506] [2021-10-22 14:43:08,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269081506] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:43:08,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14194088] [2021-10-22 14:43:08,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:43:08,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:43:08,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:43:08,990 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 14:43:08,990 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 14:43:12,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-10-22 14:43:12,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:43:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:43:12,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:43:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2177 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2021-10-22 14:43:15,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14194088] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:43:15,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:43:15,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:43:15,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565921067] [2021-10-22 14:43:15,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:43:15,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:43:15,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:43:15,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:43:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:43:15,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:43:15,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.323741007194245) internal successors, (323), 139 states have internal predecessors, (323), 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 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:43:15,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:44:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:17,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:17,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:17,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:17,083 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 14:44:17,254 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 14:44:17,255 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:44:17,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:44:17,255 INFO L82 PathProgramCache]: Analyzing trace with hash 667425544, now seen corresponding path program 10 times [2021-10-22 14:44:17,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:44:17,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886137722] [2021-10-22 14:44:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:44:17,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:44:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:44:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 0 proven. 2174 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2021-10-22 14:44:26,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:44:26,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886137722] [2021-10-22 14:44:26,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886137722] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:44:26,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211016912] [2021-10-22 14:44:26,663 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:44:26,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:44:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:44:26,664 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 14:44:26,666 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 14:44:30,310 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:44:30,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:44:30,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:44:30,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:44:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 0 proven. 2174 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2021-10-22 14:44:33,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211016912] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:44:33,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:44:33,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:44:33,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533828119] [2021-10-22 14:44:33,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:44:33,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:44:33,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:44:33,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:44:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:44:33,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:44:33,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.323741007194245) internal successors, (323), 139 states have internal predecessors, (323), 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 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:44:33,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:45:34,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:34,516 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 14:45:34,711 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 14:45:34,711 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:45:34,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:45:34,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1050905094, now seen corresponding path program 11 times [2021-10-22 14:45:34,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:45:34,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754831206] [2021-10-22 14:45:34,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:45:34,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:45:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:45:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3000 backedges. 0 proven. 2180 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-10-22 14:45:43,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:45:43,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754831206] [2021-10-22 14:45:43,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754831206] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:45:43,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378674557] [2021-10-22 14:45:43,767 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:45:43,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:45:43,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:45:43,768 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 14:45:43,769 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 14:45:47,833 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-10-22 14:45:47,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:45:47,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:45:47,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:45:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3000 backedges. 0 proven. 2180 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-10-22 14:45:50,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378674557] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:45:50,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:45:50,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:45:50,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327077512] [2021-10-22 14:45:50,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:45:50,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:45:50,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:45:50,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:45:50,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:45:50,837 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:45:50,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.323741007194245) internal successors, (323), 139 states have internal predecessors, (323), 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 14:45:50,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:50,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:50,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:50,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:50,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:45:50,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:45:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:46:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:46:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:46:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:46:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:46:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:46:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:46:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:46:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:46:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:46:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:46:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:46:53,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-22 14:46:53,923 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 14:46:53,924 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2021-10-22 14:46:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:46:53,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1816298480, now seen corresponding path program 12 times [2021-10-22 14:46:53,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:46:53,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594739861] [2021-10-22 14:46:53,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:46:53,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:46:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:47:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 2165 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-10-22 14:47:03,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:47:03,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594739861] [2021-10-22 14:47:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594739861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:47:03,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191370978] [2021-10-22 14:47:03,593 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 14:47:03,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:47:03,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:47:03,594 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 14:47:03,594 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 14:47:08,182 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-10-22 14:47:08,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:47:08,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 663 conjunts are in the unsatisfiable core [2021-10-22 14:47:08,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:47:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 2165 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-10-22 14:47:11,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191370978] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:47:11,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:47:11,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 138 [2021-10-22 14:47:11,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124868146] [2021-10-22 14:47:11,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-10-22 14:47:11,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:47:11,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-10-22 14:47:11,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2021-10-22 14:47:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:47:11,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:47:11,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 139 states have (on average 2.3309352517985613) internal successors, (324), 139 states have internal predecessors, (324), 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 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-10-22 14:47:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-10-22 14:47:22,726 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 14:47:22,726 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 [2021-10-22 14:47:22,726 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 14:47:22,760 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 14:47:22,947 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 14:47:22,948 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2021-10-22 14:47:22,949 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9INUSE_VIOLATION [2021-10-22 14:47:22,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10INUSE_VIOLATION [2021-10-22 14:47:22,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11INUSE_VIOLATION [2021-10-22 14:47:22,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12INUSE_VIOLATION [2021-10-22 14:47:22,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13INUSE_VIOLATION [2021-10-22 14:47:22,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14INUSE_VIOLATION [2021-10-22 14:47:22,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15INUSE_VIOLATION [2021-10-22 14:47:22,956 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 14:47:22,956 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 14:47:22,958 INFO L202 PluginConnector]: Adding new model add-sub16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:47:22 BasicIcfg [2021-10-22 14:47:22,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 14:47:22,959 INFO L168 Benchmark]: Toolchain (without parser) took 850596.13 ms. Allocated memory was 167.8 MB in the beginning and 1.1 GB in the end (delta: 931.1 MB). Free memory was 125.9 MB in the beginning and 381.3 MB in the end (delta: -255.4 MB). Peak memory consumption was 676.8 MB. Max. memory is 8.0 GB. [2021-10-22 14:47:22,959 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 167.8 MB. Free memory is still 127.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 14:47:22,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.14 ms. Allocated memory is still 167.8 MB. Free memory was 125.8 MB in the beginning and 124.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:47:22,961 INFO L168 Benchmark]: Boogie Preprocessor took 9.89 ms. Allocated memory is still 167.8 MB. Free memory was 124.4 MB in the beginning and 123.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:47:22,961 INFO L168 Benchmark]: RCFGBuilder took 191.73 ms. Allocated memory is still 167.8 MB. Free memory was 123.4 MB in the beginning and 112.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-22 14:47:22,961 INFO L168 Benchmark]: TraceAbstraction took 850372.90 ms. Allocated memory was 167.8 MB in the beginning and 1.1 GB in the end (delta: 931.1 MB). Free memory was 112.0 MB in the beginning and 381.3 MB in the end (delta: -269.3 MB). Peak memory consumption was 663.2 MB. Max. memory is 8.0 GB. [2021-10-22 14:47:22,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 167.8 MB. Free memory is still 127.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.14 ms. Allocated memory is still 167.8 MB. Free memory was 125.8 MB in the beginning and 124.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.89 ms. Allocated memory is still 167.8 MB. Free memory was 124.4 MB in the beginning and 123.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 191.73 ms. Allocated memory is still 167.8 MB. Free memory was 123.4 MB in the beginning and 112.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 850372.90 ms. Allocated memory was 167.8 MB in the beginning and 1.1 GB in the end (delta: 931.1 MB). Free memory was 112.0 MB in the beginning and 381.3 MB in the end (delta: -269.3 MB). Peak memory consumption was 663.2 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: 761714, positive: 737717, positive conditional: 724056, positive unconditional: 13661, negative: 23997, negative conditional: 23982, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 737732, positive: 737717, positive conditional: 0, positive unconditional: 737717, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10528, positive: 10513, positive conditional: 0, positive unconditional: 10513, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10528, positive: 9538, positive conditional: 0, positive unconditional: 9538, negative: 990, negative conditional: 0, negative unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 990, positive: 975, positive conditional: 0, positive unconditional: 975, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 884, positive: 859, positive conditional: 0, positive unconditional: 859, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 737732, positive: 727204, positive conditional: 0, positive unconditional: 727204, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10528, unknown conditional: 0, unknown unconditional: 10528] , Statistics on independence cache: Total cache size (in pairs): 10528, Positive cache size: 10513, Positive conditional cache size: 0, Positive unconditional cache size: 10513, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Independence queries for same thread: 23982 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1264, Number of persistent set computation: 807, Number of trivial persistent sets: 49, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 761714, positive: 737717, positive conditional: 724056, positive unconditional: 13661, negative: 23997, negative conditional: 23982, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 737732, positive: 737717, positive conditional: 0, positive unconditional: 737717, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10528, positive: 10513, positive conditional: 0, positive unconditional: 10513, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10528, positive: 9538, positive conditional: 0, positive unconditional: 9538, negative: 990, negative conditional: 0, negative unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 990, positive: 975, positive conditional: 0, positive unconditional: 975, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 884, positive: 859, positive conditional: 0, positive unconditional: 859, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 737732, positive: 727204, positive conditional: 0, positive unconditional: 727204, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10528, unknown conditional: 0, unknown unconditional: 10528] , Statistics on independence cache: Total cache size (in pairs): 10528, Positive cache size: 10513, Positive conditional cache size: 0, Positive unconditional cache size: 10513, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Independence queries for same thread: 23982 - 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: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 10]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 18 procedures, 121 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 850130.7ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.5ms, PartialOrderReductionTime: 668188.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1570, 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: 812.2ms SsaConstructionTime, 3734.4ms SatisfiabilityAnalysisTime, 148575.5ms InterpolantComputationTime, 13080 NumberOfCodeBlocks, 13080 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 13056 ConstructedInterpolants, 0 QuantifiedInterpolants, 177784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 16680 ConjunctsInSsa, 7956 ConjunctsInUnsatCore, 24 InterpolantComputations, 0 PerfectInterpolantSequences, 19790/71760 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