/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 03:06:05,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 03:06:05,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 03:06:05,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 03:06:05,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 03:06:05,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 03:06:05,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 03:06:05,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 03:06:05,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 03:06:05,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 03:06:05,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 03:06:05,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 03:06:05,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 03:06:05,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 03:06:05,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 03:06:05,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 03:06:05,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 03:06:05,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 03:06:05,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 03:06:05,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 03:06:05,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 03:06:05,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 03:06:05,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 03:06:05,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 03:06:05,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 03:06:05,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 03:06:05,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 03:06:05,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 03:06:05,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 03:06:05,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 03:06:05,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:06:05,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 03:06:05,412 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 03:06:05,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 03:06:05,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 03:06:05,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 03:06:05,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 03:06:05,612 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 03:06:05,612 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 03:06:05,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl [2022-02-20 03:06:05,614 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl' [2022-02-20 03:06:05,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 03:06:05,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 03:06:05,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 03:06:05,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 03:06:05,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 03:06:05,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,651 INFO L137 Inliner]: procedures = 2, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 03:06:05,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 03:06:05,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 03:06:05,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 03:06:05,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 03:06:05,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 03:06:05,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 03:06:05,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 03:06:05,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 03:06:05,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/1) ... [2022-02-20 03:06:05,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:06:05,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:06:05,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 03:06:05,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 03:06:05,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2022-02-20 03:06:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-02-20 03:06:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-02-20 03:06:05,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 03:06:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 03:06:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 03:06:05,768 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 03:06:05,804 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 03:06:05,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 03:06:05,869 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 03:06:05,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 03:06:05,874 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 03:06:05,876 INFO L202 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:06:05 BoogieIcfgContainer [2022-02-20 03:06:05,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 03:06:05,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 03:06:05,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 03:06:05,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 03:06:05,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:06:05" (1/2) ... [2022-02-20 03:06:05,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128dc0da and model type concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:06:05, skipping insertion in model container [2022-02-20 03:06:05,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:06:05" (2/2) ... [2022-02-20 03:06:05,882 INFO L111 eAbstractionObserver]: Analyzing ICFG concurrent_mult.bpl [2022-02-20 03:06:05,886 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 03:06:05,886 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 03:06:05,886 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 03:06:05,886 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 03:06:05,910 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,910 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,911 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,911 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,911 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,911 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,911 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,912 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,912 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,912 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,912 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,912 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,913 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,913 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,913 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,913 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,913 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,913 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,914 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,914 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,914 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,914 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,914 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,915 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,915 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,915 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,915 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,915 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,916 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,916 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,916 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,916 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,916 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,916 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,917 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,917 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,917 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,931 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,931 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,931 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,932 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,932 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,932 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,932 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,935 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,935 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,937 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,938 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:06:05,940 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 03:06:05,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 03:06:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:06:05,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 03:06:05,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 03:06:06,016 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 03:06:06,021 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 03:06:06,021 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 03:06:06,083 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 162 transitions and produced 115 states. [2022-02-20 03:06:06,085 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:06:06,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:06:06,089 INFO L85 PathProgramCache]: Analyzing trace with hash 231261290, now seen corresponding path program 1 times [2022-02-20 03:06:06,095 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:06:06,095 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698583986] [2022-02-20 03:06:06,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:06:06,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:06:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:06:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:07,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:06:07,054 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698583986] [2022-02-20 03:06:07,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698583986] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:06:07,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159817382] [2022-02-20 03:06:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:06:07,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:06:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:06:07,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:06:07,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 03:06:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:06:07,105 WARN L261 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-20 03:06:07,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:06:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:08,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:06:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:09,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159817382] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:06:09,758 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:06:09,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 70 [2022-02-20 03:06:09,760 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790387056] [2022-02-20 03:06:09,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:06:09,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-02-20 03:06:09,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:06:09,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-02-20 03:06:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=4636, Unknown=0, NotChecked=0, Total=4970 [2022-02-20 03:06:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:06:09,784 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:06:09,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 1.3) internal successors, (91), 71 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:06:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:06:12,709 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 102 transitions and produced 97 states. [2022-02-20 03:06:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:06:12,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 03:06:12,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 03:06:12,932 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:06:12,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:06:12,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2053903722, now seen corresponding path program 2 times [2022-02-20 03:06:12,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:06:12,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547728937] [2022-02-20 03:06:12,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:06:12,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:06:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:06:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:13,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:06:13,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547728937] [2022-02-20 03:06:13,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547728937] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:06:13,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648817321] [2022-02-20 03:06:13,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 03:06:13,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:06:13,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:06:13,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:06:13,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 03:06:13,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 03:06:13,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:06:13,774 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 63 conjunts are in the unsatisfiable core [2022-02-20 03:06:13,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:06:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:15,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:06:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:17,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648817321] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:06:17,689 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:06:17,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 94 [2022-02-20 03:06:17,690 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958343713] [2022-02-20 03:06:17,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:06:17,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-02-20 03:06:17,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:06:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-02-20 03:06:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=8432, Unknown=0, NotChecked=0, Total=8930 [2022-02-20 03:06:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:06:17,694 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:06:17,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 1.351063829787234) internal successors, (127), 95 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:06:17,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:06:17,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:06:24,045 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 158 transitions and produced 149 states. [2022-02-20 03:06:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:06:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:06:24,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 03:06:24,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:06:24,270 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:06:24,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:06:24,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1000224618, now seen corresponding path program 3 times [2022-02-20 03:06:24,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:06:24,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622451346] [2022-02-20 03:06:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:06:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:06:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:06:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:25,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:06:25,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622451346] [2022-02-20 03:06:25,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622451346] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:06:25,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724316319] [2022-02-20 03:06:25,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 03:06:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:06:25,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:06:25,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:06:25,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 03:06:25,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-02-20 03:06:25,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:06:25,475 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 95 conjunts are in the unsatisfiable core [2022-02-20 03:06:25,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:06:28,480 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:28,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:06:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:33,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724316319] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:06:33,231 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:06:33,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 142 [2022-02-20 03:06:33,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025193303] [2022-02-20 03:06:33,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:06:33,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-02-20 03:06:33,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:06:33,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-02-20 03:06:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1018, Invalid=19288, Unknown=0, NotChecked=0, Total=20306 [2022-02-20 03:06:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:06:33,241 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:06:33,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 142 states have (on average 1.4014084507042253) internal successors, (199), 143 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:06:33,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:06:33,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:06:33,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:06:54,130 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 270 transitions and produced 253 states. [2022-02-20 03:06:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:06:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:06:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-02-20 03:06:54,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-20 03:06:54,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:06:54,347 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:06:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:06:54,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1934591126, now seen corresponding path program 4 times [2022-02-20 03:06:54,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:06:54,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014801958] [2022-02-20 03:06:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:06:54,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:06:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:06:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1438 backedges. 0 proven. 1438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:06:58,062 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:06:58,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014801958] [2022-02-20 03:06:58,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014801958] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:06:58,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385896888] [2022-02-20 03:06:58,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 03:06:58,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:06:58,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:06:58,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:06:58,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 03:06:58,109 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 03:06:58,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:06:58,112 WARN L261 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 159 conjunts are in the unsatisfiable core [2022-02-20 03:06:58,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:07:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1438 backedges. 0 proven. 1438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:07:04,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:07:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1438 backedges. 0 proven. 1438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:07:14,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385896888] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:07:14,541 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:07:14,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 238 [2022-02-20 03:07:14,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043033455] [2022-02-20 03:07:14,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:07:14,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 239 states [2022-02-20 03:07:14,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:07:14,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2022-02-20 03:07:14,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2826, Invalid=54056, Unknown=0, NotChecked=0, Total=56882 [2022-02-20 03:07:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:07:14,552 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:07:14,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 239 states, 238 states have (on average 1.4411764705882353) internal successors, (343), 239 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:07:14,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:07:14,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:07:14,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-02-20 03:07:14,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:08:51,681 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 494 transitions and produced 461 states. [2022-02-20 03:08:51,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:08:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:08:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-02-20 03:08:51,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-20 03:08:51,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 03:08:51,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:08:51,909 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:08:51,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:08:51,909 INFO L85 PathProgramCache]: Analyzing trace with hash -510852246, now seen corresponding path program 5 times [2022-02-20 03:08:51,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:08:51,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433734761] [2022-02-20 03:08:51,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:08:51,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:08:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:09:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5934 backedges. 0 proven. 5934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:09:02,759 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:09:02,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433734761] [2022-02-20 03:09:02,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433734761] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:09:02,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012627618] [2022-02-20 03:09:02,767 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 03:09:02,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:09:02,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:09:02,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:09:02,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 03:09:02,872 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2022-02-20 03:09:02,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:09:02,884 WARN L261 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 287 conjunts are in the unsatisfiable core [2022-02-20 03:09:02,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:09:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5934 backedges. 0 proven. 5934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:09:23,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:09:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5934 backedges. 0 proven. 5934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:09:57,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012627618] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:09:57,032 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:09:57,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 145, 145] total 430 [2022-02-20 03:09:57,033 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885793107] [2022-02-20 03:09:57,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:09:57,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 431 states [2022-02-20 03:09:57,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:09:57,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 431 interpolants. [2022-02-20 03:09:57,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9514, Invalid=175816, Unknown=0, NotChecked=0, Total=185330 [2022-02-20 03:09:57,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:09:57,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:09:57,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 431 states, 430 states have (on average 1.4674418604651163) internal successors, (631), 431 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:09:57,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:09:57,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:09:57,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-02-20 03:09:57,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-20 03:09:57,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:18:50,178 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 942 transitions and produced 877 states. [2022-02-20 03:18:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 03:18:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-20 03:18:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-02-20 03:18:50,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-20 03:18:50,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 455 states. [2022-02-20 03:18:50,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 03:18:50,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:18:50,403 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:18:50,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:18:50,403 INFO L85 PathProgramCache]: Analyzing trace with hash 371594090, now seen corresponding path program 6 times [2022-02-20 03:18:50,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:18:50,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342405103] [2022-02-20 03:18:50,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:18:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:18:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:19:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24142 backedges. 0 proven. 24142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:19:24,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:19:24,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342405103] [2022-02-20 03:19:24,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342405103] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:19:24,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128467676] [2022-02-20 03:19:24,930 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 03:19:24,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:19:24,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:19:24,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:19:24,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 03:19:25,123 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 128 check-sat command(s) [2022-02-20 03:19:25,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:19:25,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 543 conjunts are in the unsatisfiable core [2022-02-20 03:19:25,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-20 03:20:34,872 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-20 03:20:34,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-20 03:20:34,892 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 03:20:34,892 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 03:20:34,892 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 03:20:35,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:20:35,082 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 406 with TraceHistMax 127,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 534 known predicates. [2022-02-20 03:20:35,084 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-20 03:20:35,084 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-20 03:20:35,100 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 03:20:35,101 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 03:20:35,101 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 03:20:35,103 INFO L202 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 03:20:35 BasicIcfg [2022-02-20 03:20:35,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 03:20:35,103 INFO L158 Benchmark]: Toolchain (without parser) took 869472.23ms. Allocated memory was 222.3MB in the beginning and 868.2MB in the end (delta: 645.9MB). Free memory was 183.7MB in the beginning and 230.6MB in the end (delta: -46.9MB). Peak memory consumption was 600.0MB. Max. memory is 8.0GB. [2022-02-20 03:20:35,103 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 222.3MB. Free memory is still 184.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 03:20:35,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.07ms. Allocated memory is still 222.3MB. Free memory was 183.6MB in the beginning and 182.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 03:20:35,104 INFO L158 Benchmark]: Boogie Preprocessor took 12.61ms. Allocated memory is still 222.3MB. Free memory was 182.1MB in the beginning and 181.2MB in the end (delta: 891.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:20:35,104 INFO L158 Benchmark]: RCFGBuilder took 208.14ms. Allocated memory is still 222.3MB. Free memory was 181.1MB in the beginning and 173.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-20 03:20:35,104 INFO L158 Benchmark]: TraceAbstraction took 869225.52ms. Allocated memory was 222.3MB in the beginning and 868.2MB in the end (delta: 645.9MB). Free memory was 172.5MB in the beginning and 230.6MB in the end (delta: -58.1MB). Peak memory consumption was 588.4MB. Max. memory is 8.0GB. [2022-02-20 03:20:35,105 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 0.11ms. Allocated memory is still 222.3MB. Free memory is still 184.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.07ms. Allocated memory is still 222.3MB. Free memory was 183.6MB in the beginning and 182.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.61ms. Allocated memory is still 222.3MB. Free memory was 182.1MB in the beginning and 181.2MB in the end (delta: 891.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 208.14ms. Allocated memory is still 222.3MB. Free memory was 181.1MB in the beginning and 173.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 869225.52ms. Allocated memory was 222.3MB in the beginning and 868.2MB in the end (delta: 645.9MB). Free memory was 172.5MB in the beginning and 230.6MB in the end (delta: -58.1MB). Peak memory consumption was 588.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 406 with TraceHistMax 127,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 534 known predicates. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 406 with TraceHistMax 127,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 534 known predicates. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 406 with TraceHistMax 127,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 534 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 869.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 660.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 903, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 102.1s InterpolantComputationTime, 954 NumberOfCodeBlocks, 954 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 1416 ConstructedInterpolants, 0 QuantifiedInterpolants, 41173 SizeOfPredicates, 60 NumberOfNonLiveVariables, 875 ConjunctsInSsa, 651 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 0/23460 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