/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-MCRwithoutDepranks-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-4b0ab11 [2022-03-02 09:14:52,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 09:14:52,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 09:14:52,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 09:14:52,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 09:14:52,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 09:14:52,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 09:14:52,184 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-MCRwithoutDepranks-Lazy.epf [2022-03-02 09:14:52,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 09:14:52,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 09:14:52,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 09:14:52,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 09:14:52,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 09:14:52,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 09:14:52,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 09:14:52,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 09:14:52,208 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 09:14:52,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 09:14:52,208 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 09:14:52,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 09:14:52,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 09:14:52,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:14:52,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 09:14:52,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 09:14:52,211 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 09:14:52,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 09:14:52,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 09:14:52,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 09:14:52,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 09:14:52,427 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 09:14:52,428 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 09:14:52,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl [2022-03-02 09:14:52,429 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl' [2022-03-02 09:14:52,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 09:14:52,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 09:14:52,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 09:14:52,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 09:14:52,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 09:14:52,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,469 INFO L137 Inliner]: procedures = 2, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 09:14:52,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 09:14:52,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 09:14:52,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 09:14:52,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 09:14:52,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 09:14:52,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 09:14:52,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 09:14:52,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 09:14:52,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/1) ... [2022-03-02 09:14:52,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:14:52,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:14:52,516 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) [2022-03-02 09:14:52,544 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 [2022-03-02 09:14:52,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2022-03-02 09:14:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-03-02 09:14:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-03-02 09:14:52,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 09:14:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 09:14:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 09:14:52,557 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 09:14:52,594 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 09:14:52,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 09:14:52,652 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 09:14:52,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 09:14:52,657 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 09:14:52,658 INFO L202 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:14:52 BoogieIcfgContainer [2022-03-02 09:14:52,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 09:14:52,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 09:14:52,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 09:14:52,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 09:14:52,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:14:52" (1/2) ... [2022-03-02 09:14:52,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42169e39 and model type concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:14:52, skipping insertion in model container [2022-03-02 09:14:52,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:14:52" (2/2) ... [2022-03-02 09:14:52,680 INFO L111 eAbstractionObserver]: Analyzing ICFG concurrent_mult.bpl [2022-03-02 09:14:52,683 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 09:14:52,683 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 09:14:52,683 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 09:14:52,684 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 09:14:52,715 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,716 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,716 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,716 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,716 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,716 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,717 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,717 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,717 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,717 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,717 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,717 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,718 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,718 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,718 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,718 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,718 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,718 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,719 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,719 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,719 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,719 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,720 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,720 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,720 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,720 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,720 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,720 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,721 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,721 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,721 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,721 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,721 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,721 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,722 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,722 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,722 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,722 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,722 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,722 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,723 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,723 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,723 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,723 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,726 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,726 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,735 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,736 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:52,740 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-02 09:14:52,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 09:14:52,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:14:52,789 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) [2022-03-02 09:14:52,790 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 [2022-03-02 09:14:52,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 09:14:52,836 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 [2022-03-02 09:14:52,836 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-02 09:14:53,089 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 272 states. [2022-03-02 09:14:53,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:14:53,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:14:53,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1763796450, now seen corresponding path program 1 times [2022-03-02 09:14:53,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:14:53,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761591051] [2022-03-02 09:14:53,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:14:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:14:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:14:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:14:58,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:14:58,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761591051] [2022-03-02 09:14:58,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761591051] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:14:58,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970413460] [2022-03-02 09:14:58,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:14:58,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:14:58,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:14:58,628 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) [2022-03-02 09:14:58,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 09:14:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:14:58,691 WARN L261 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 167 conjunts are in the unsatisfiable core [2022-03-02 09:14:58,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:15:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:15:09,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:15:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:15:24,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970413460] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:15:24,231 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:15:24,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 250 [2022-03-02 09:15:24,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657978904] [2022-03-02 09:15:24,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:15:24,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-03-02 09:15:24,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:15:24,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-03-02 09:15:24,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1969, Invalid=60781, Unknown=0, NotChecked=0, Total=62750 [2022-03-02 09:15:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:15:24,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:15:24,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 250 states have (on average 1.444) internal successors, (361), 251 states have internal predecessors, (361), 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) [2022-03-02 09:15:24,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:15:51,257 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 352 transitions and produced 316 states. [2022-03-02 09:15:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:15:51,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 09:15:51,458 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 [2022-03-02 09:15:51,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:15:51,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:15:51,460 INFO L85 PathProgramCache]: Analyzing trace with hash 318775390, now seen corresponding path program 2 times [2022-03-02 09:15:51,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:15:51,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655325210] [2022-03-02 09:15:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:15:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:15:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:15:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:15:56,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:15:56,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655325210] [2022-03-02 09:15:56,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655325210] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:15:56,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234880966] [2022-03-02 09:15:56,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 09:15:56,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:15:56,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:15:56,918 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) [2022-03-02 09:15:56,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 09:15:56,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 09:15:56,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:15:56,978 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 195 conjunts are in the unsatisfiable core [2022-03-02 09:15:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:16:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:16:10,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:16:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:16:29,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234880966] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:16:29,118 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:16:29,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 99] total 292 [2022-03-02 09:16:29,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51379538] [2022-03-02 09:16:29,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:16:29,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 293 states [2022-03-02 09:16:29,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:16:29,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 293 interpolants. [2022-03-02 09:16:29,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2540, Invalid=83016, Unknown=0, NotChecked=0, Total=85556 [2022-03-02 09:16:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:16:29,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:16:29,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 293 states, 292 states have (on average 1.452054794520548) internal successors, (424), 293 states have internal predecessors, (424), 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) [2022-03-02 09:16:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:16:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:17:15,939 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408 transitions and produced 368 states. [2022-03-02 09:17:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:17:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-02 09:17:15,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 09:17:16,140 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 [2022-03-02 09:17:16,141 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:17:16,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:17:16,141 INFO L85 PathProgramCache]: Analyzing trace with hash -166019490, now seen corresponding path program 3 times [2022-03-02 09:17:16,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:17:16,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609901147] [2022-03-02 09:17:16,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:17:16,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:17:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:17:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 0 proven. 3186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:17:23,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:17:23,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609901147] [2022-03-02 09:17:23,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609901147] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:17:23,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571831603] [2022-03-02 09:17:23,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 09:17:23,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:17:23,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:17:23,316 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) [2022-03-02 09:17:23,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 09:17:23,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-03-02 09:17:23,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:17:23,393 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 227 conjunts are in the unsatisfiable core [2022-03-02 09:17:23,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:17:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 0 proven. 3186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:17:40,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:18:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 0 proven. 3186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:18:05,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571831603] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:18:05,894 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:18:05,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 115, 115] total 340 [2022-03-02 09:18:05,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048702348] [2022-03-02 09:18:05,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:18:05,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 341 states [2022-03-02 09:18:05,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:18:05,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 341 interpolants. [2022-03-02 09:18:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3532, Invalid=112408, Unknown=0, NotChecked=0, Total=115940 [2022-03-02 09:18:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:18:05,902 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:18:05,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 341 states, 340 states have (on average 1.4588235294117646) internal successors, (496), 341 states have internal predecessors, (496), 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) [2022-03-02 09:18:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:18:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-03-02 09:18:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:19:52,778 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 520 transitions and produced 472 states. [2022-03-02 09:19:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:19:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-02 09:19:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-02 09:19:52,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 09:19:52,979 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 [2022-03-02 09:19:52,980 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:19:52,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:19:52,980 INFO L85 PathProgramCache]: Analyzing trace with hash -287180194, now seen corresponding path program 4 times [2022-03-02 09:19:52,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:19:52,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241091469] [2022-03-02 09:19:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:19:52,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:19:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:20:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5770 backedges. 0 proven. 5770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:20:04,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:20:04,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241091469] [2022-03-02 09:20:04,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241091469] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:20:04,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781391479] [2022-03-02 09:20:04,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 09:20:04,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:20:04,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:20:04,254 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) [2022-03-02 09:20:04,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 09:20:04,318 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 09:20:04,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:20:04,324 WARN L261 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 291 conjunts are in the unsatisfiable core [2022-03-02 09:20:04,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:20:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5770 backedges. 0 proven. 5770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:20:31,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:21:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5770 backedges. 0 proven. 5770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:21:11,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781391479] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:21:11,333 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:21:11,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [147, 147, 147] total 436 [2022-03-02 09:21:11,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430588147] [2022-03-02 09:21:11,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:21:11,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 437 states [2022-03-02 09:21:11,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:21:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 437 interpolants. [2022-03-02 09:21:11,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6284, Invalid=184248, Unknown=0, NotChecked=0, Total=190532 [2022-03-02 09:21:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:21:11,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:21:11,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 437 states, 436 states have (on average 1.4678899082568808) internal successors, (640), 437 states have internal predecessors, (640), 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) [2022-03-02 09:21:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:21:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-03-02 09:21:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-02 09:21:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:26:16,587 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 744 transitions and produced 680 states. [2022-03-02 09:26:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 09:26:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-02 09:26:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-02 09:26:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2022-03-02 09:26:16,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 09:26:16,795 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 [2022-03-02 09:26:16,795 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:26:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:26:16,796 INFO L85 PathProgramCache]: Analyzing trace with hash 850948702, now seen corresponding path program 5 times [2022-03-02 09:26:16,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:26:16,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186704712] [2022-03-02 09:26:16,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:26:16,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:26:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:26:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13242 backedges. 0 proven. 13242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:26:39,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:26:39,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186704712] [2022-03-02 09:26:39,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186704712] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:26:39,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158117038] [2022-03-02 09:26:39,452 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 09:26:39,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:26:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:26:39,453 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) [2022-03-02 09:26:39,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 09:26:39,575 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 95 check-sat command(s) [2022-03-02 09:26:39,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:26:39,583 WARN L261 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 419 conjunts are in the unsatisfiable core [2022-03-02 09:26:39,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:27:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13242 backedges. 0 proven. 13242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:27:33,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-02 09:27:50,907 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-02 09:27:50,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 09:27:50,945 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 09:27:50,945 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 [2022-03-02 09:27:50,945 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 [2022-03-02 09:27:51,108 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 [2022-03-02 09:27:51,108 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 94,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 472 known predicates. [2022-03-02 09:27:51,110 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 09:27:51,110 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-02 09:27:51,121 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-02 09:27:51,123 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 09:27:51,124 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 09:27:51,125 INFO L202 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 09:27:51 BasicIcfg [2022-03-02 09:27:51,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 09:27:51,126 INFO L158 Benchmark]: Toolchain (without parser) took 778681.12ms. Allocated memory was 207.6MB in the beginning and 715.1MB in the end (delta: 507.5MB). Free memory was 164.2MB in the beginning and 140.8MB in the end (delta: 23.4MB). Peak memory consumption was 531.6MB. Max. memory is 8.0GB. [2022-03-02 09:27:51,126 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 165.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 09:27:51,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.63ms. Allocated memory is still 207.6MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 09:27:51,126 INFO L158 Benchmark]: Boogie Preprocessor took 11.46ms. Allocated memory is still 207.6MB. Free memory was 162.6MB in the beginning and 161.7MB in the end (delta: 911.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 09:27:51,127 INFO L158 Benchmark]: RCFGBuilder took 174.60ms. Allocated memory is still 207.6MB. Free memory was 161.7MB in the beginning and 174.5MB in the end (delta: -12.8MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2022-03-02 09:27:51,127 INFO L158 Benchmark]: TraceAbstraction took 778465.58ms. Allocated memory was 207.6MB in the beginning and 715.1MB in the end (delta: 507.5MB). Free memory was 174.0MB in the beginning and 140.8MB in the end (delta: 33.2MB). Peak memory consumption was 541.2MB. Max. memory is 8.0GB. [2022-03-02 09:27:51,128 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 0.10ms. Allocated memory is still 207.6MB. Free memory is still 165.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.63ms. Allocated memory is still 207.6MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.46ms. Allocated memory is still 207.6MB. Free memory was 162.6MB in the beginning and 161.7MB in the end (delta: 911.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 174.60ms. Allocated memory is still 207.6MB. Free memory was 161.7MB in the beginning and 174.5MB in the end (delta: -12.8MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * TraceAbstraction took 778465.58ms. Allocated memory was 207.6MB in the beginning and 715.1MB in the end (delta: 507.5MB). Free memory was 174.0MB in the beginning and 140.8MB in the end (delta: 33.2MB). Peak memory consumption was 541.2MB. 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 313 with TraceHistMax 94,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 472 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 313 with TraceHistMax 94,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 472 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 313 with TraceHistMax 94,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 472 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: 778.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 486.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 664, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 196.2s InterpolantComputationTime, 1302 NumberOfCodeBlocks, 1302 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 1941 ConstructedInterpolants, 0 QuantifiedInterpolants, 67194 SizeOfPredicates, 48 NumberOfNonLiveVariables, 1149 ConjunctsInSsa, 880 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 0/37797 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