/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 [2022-03-04 10:31:07,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 10:31:07,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 10:31:07,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 10:31:07,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 10:31:07,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 10:31:07,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 10:31:07,566 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 [2022-03-04 10:31:07,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 10:31:07,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 10:31:07,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 10:31:07,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 10:31:07,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 10:31:07,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 10:31:07,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 10:31:07,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 10:31:07,591 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 10:31:07,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 10:31:07,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 10:31:07,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 10:31:07,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 10:31:07,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 10:31:07,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 10:31:07,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 10:31:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:31:07,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 10:31:07,595 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 10:31:07,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 10:31:07,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 10:31:07,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 10:31:07,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 10:31:07,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 10:31:07,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 10:31:07,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 10:31:07,596 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 10:31:07,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 10:31:07,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 10:31:07,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 10:31:07,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 10:31:07,822 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 10:31:07,823 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 10:31:07,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl [2022-03-04 10:31:07,824 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl' [2022-03-04 10:31:07,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 10:31:07,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 10:31:07,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 10:31:07,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 10:31:07,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 10:31:07,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,883 INFO L137 Inliner]: procedures = 2, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 10:31:07,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 10:31:07,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 10:31:07,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 10:31:07,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 10:31:07,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 10:31:07,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 10:31:07,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 10:31:07,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 10:31:07,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/1) ... [2022-03-04 10:31:07,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:31:07,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:31:07,957 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) [2022-03-04 10:31:07,978 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 [2022-03-04 10:31:08,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2022-03-04 10:31:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-03-04 10:31:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-03-04 10:31:08,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 10:31:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 10:31:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 10:31:08,007 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 10:31:08,043 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 10:31:08,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 10:31:08,108 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 10:31:08,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 10:31:08,117 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 10:31:08,119 INFO L202 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:31:08 BoogieIcfgContainer [2022-03-04 10:31:08,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 10:31:08,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 10:31:08,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 10:31:08,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 10:31:08,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:31:07" (1/2) ... [2022-03-04 10:31:08,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4aa2cf and model type concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:31:08, skipping insertion in model container [2022-03-04 10:31:08,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:31:08" (2/2) ... [2022-03-04 10:31:08,126 INFO L111 eAbstractionObserver]: Analyzing ICFG concurrent_mult.bpl [2022-03-04 10:31:08,130 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 10:31:08,131 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 10:31:08,131 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 10:31:08,131 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 10:31:08,158 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,158 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,159 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,159 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,159 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,159 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,160 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,160 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,160 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,160 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,161 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,161 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,161 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,161 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,161 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,162 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,162 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,162 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,162 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,162 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,163 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,163 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,163 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,163 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,164 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,164 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,164 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,164 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,165 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,165 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,165 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,165 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,165 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,166 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_a not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,166 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,166 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,166 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,166 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_b not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,166 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,167 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,167 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,167 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,167 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,168 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,171 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,171 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,174 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_z not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,174 WARN L322 ript$VariableManager]: TermVariabe multThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:31:08,176 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-04 10:31:08,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 10:31:08,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:31:08,235 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) [2022-03-04 10:31:08,268 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 [2022-03-04 10:31:08,297 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 10:31:08,302 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 [2022-03-04 10:31:08,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 10:31:08,585 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 272 states. [2022-03-04 10:31:08,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 10:31:08,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:31:08,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1763796450, now seen corresponding path program 1 times [2022-03-04 10:31:08,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:31:08,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635920484] [2022-03-04 10:31:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:31:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:31:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:31:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:31:14,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:31:14,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635920484] [2022-03-04 10:31:14,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635920484] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:31:14,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834413841] [2022-03-04 10:31:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:31:14,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:31:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:31:14,317 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) [2022-03-04 10:31:14,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 10:31:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:31:14,438 WARN L261 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 167 conjunts are in the unsatisfiable core [2022-03-04 10:31:14,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:31:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:31:25,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 10:31:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:31:39,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834413841] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 10:31:39,802 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 10:31:39,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 250 [2022-03-04 10:31:39,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332473923] [2022-03-04 10:31:39,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 10:31:39,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-03-04 10:31:39,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:31:39,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-03-04 10:31:39,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1969, Invalid=60781, Unknown=0, NotChecked=0, Total=62750 [2022-03-04 10:31:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:31:39,859 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:31:39,864 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) [2022-03-04 10:31:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:32:08,259 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 352 transitions and produced 316 states. [2022-03-04 10:32:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:32:08,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 10:32:08,461 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 [2022-03-04 10:32:08,461 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 10:32:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:32:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash 318775390, now seen corresponding path program 2 times [2022-03-04 10:32:08,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:32:08,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881954816] [2022-03-04 10:32:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:32:08,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:32:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:32:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:32:14,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:32:14,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881954816] [2022-03-04 10:32:14,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881954816] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:32:14,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821254887] [2022-03-04 10:32:14,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 10:32:14,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:32:14,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:32:14,516 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) [2022-03-04 10:32:14,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 10:32:14,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 10:32:14,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 10:32:14,586 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 195 conjunts are in the unsatisfiable core [2022-03-04 10:32:14,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:32:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:32:28,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 10:32:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:32:47,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821254887] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 10:32:47,873 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 10:32:47,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 99] total 292 [2022-03-04 10:32:47,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845978352] [2022-03-04 10:32:47,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 10:32:47,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 293 states [2022-03-04 10:32:47,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:32:47,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 293 interpolants. [2022-03-04 10:32:47,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2540, Invalid=83016, Unknown=0, NotChecked=0, Total=85556 [2022-03-04 10:32:47,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:32:47,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:32:47,902 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) [2022-03-04 10:32:47,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:32:47,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:35,092 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408 transitions and produced 368 states. [2022-03-04 10:33:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:33:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-04 10:33:35,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 10:33:35,294 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 [2022-03-04 10:33:35,295 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 10:33:35,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:35,295 INFO L85 PathProgramCache]: Analyzing trace with hash -166019490, now seen corresponding path program 3 times [2022-03-04 10:33:35,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:35,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543175678] [2022-03-04 10:33:35,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:35,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 0 proven. 3186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:41,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:41,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543175678] [2022-03-04 10:33:41,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543175678] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:33:41,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028682649] [2022-03-04 10:33:41,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 10:33:41,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:33:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:33:41,794 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) [2022-03-04 10:33:41,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 10:33:41,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-03-04 10:33:41,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 10:33:41,872 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 227 conjunts are in the unsatisfiable core [2022-03-04 10:33:41,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:33:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 0 proven. 3186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:58,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 10:34:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 0 proven. 3186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:34:23,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028682649] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 10:34:23,286 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 10:34:23,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 115, 115] total 340 [2022-03-04 10:34:23,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896261011] [2022-03-04 10:34:23,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 10:34:23,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 341 states [2022-03-04 10:34:23,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:34:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 341 interpolants. [2022-03-04 10:34:23,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3532, Invalid=112408, Unknown=0, NotChecked=0, Total=115940 [2022-03-04 10:34:23,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:34:23,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:34:23,309 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) [2022-03-04 10:34:23,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:34:23,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-03-04 10:34:23,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:36:09,202 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 520 transitions and produced 472 states. [2022-03-04 10:36:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:36:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-04 10:36:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-04 10:36:09,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 10:36:09,403 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 [2022-03-04 10:36:09,403 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 10:36:09,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:36:09,404 INFO L85 PathProgramCache]: Analyzing trace with hash -287180194, now seen corresponding path program 4 times [2022-03-04 10:36:09,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:36:09,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940269472] [2022-03-04 10:36:09,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:36:09,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:36:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:36:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5770 backedges. 0 proven. 5770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:36:21,162 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:36:21,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940269472] [2022-03-04 10:36:21,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940269472] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:36:21,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083480572] [2022-03-04 10:36:21,162 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 10:36:21,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:36:21,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:36:21,164 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) [2022-03-04 10:36:21,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 10:36:21,243 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 10:36:21,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 10:36:21,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 291 conjunts are in the unsatisfiable core [2022-03-04 10:36:21,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:36:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5770 backedges. 0 proven. 5770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:36:47,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 10:37:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5770 backedges. 0 proven. 5770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:37:28,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083480572] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 10:37:28,891 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 10:37:28,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [147, 147, 147] total 436 [2022-03-04 10:37:28,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834913292] [2022-03-04 10:37:28,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 10:37:28,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 437 states [2022-03-04 10:37:28,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:37:28,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 437 interpolants. [2022-03-04 10:37:28,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6284, Invalid=184248, Unknown=0, NotChecked=0, Total=190532 [2022-03-04 10:37:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:37:28,911 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:37:28,911 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) [2022-03-04 10:37:28,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:37:28,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-03-04 10:37:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-04 10:37:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:42:46,944 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 744 transitions and produced 680 states. [2022-03-04 10:42:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:42:46,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-04 10:42:46,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-04 10:42:46,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2022-03-04 10:42:46,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 10:42:47,162 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 [2022-03-04 10:42:47,162 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 10:42:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:42:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash 850948702, now seen corresponding path program 5 times [2022-03-04 10:42:47,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:42:47,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799867295] [2022-03-04 10:42:47,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:42:47,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:42:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:43:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 13242 backedges. 0 proven. 13242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:43:10,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:43:10,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799867295] [2022-03-04 10:43:10,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799867295] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:43:10,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288375427] [2022-03-04 10:43:10,588 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 10:43:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:43:10,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:43:10,590 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) [2022-03-04 10:43:10,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 10:43:10,717 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 95 check-sat command(s) [2022-03-04 10:43:10,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 10:43:10,726 WARN L261 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 419 conjunts are in the unsatisfiable core [2022-03-04 10:43:10,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:44:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 13242 backedges. 0 proven. 13242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:44:03,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 10:45:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13242 backedges. 0 proven. 13242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:45:28,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288375427] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 10:45:28,593 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 10:45:28,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 211, 211] total 628 [2022-03-04 10:45:28,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739958650] [2022-03-04 10:45:28,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 10:45:28,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 629 states [2022-03-04 10:45:28,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:45:28,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 629 interpolants. [2022-03-04 10:45:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14860, Invalid=380152, Unknown=0, NotChecked=0, Total=395012 [2022-03-04 10:45:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:45:28,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:45:28,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 629 states, 628 states have (on average 1.4777070063694266) internal successors, (928), 629 states have internal predecessors, (928), 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) [2022-03-04 10:45:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-04 10:45:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-03-04 10:45:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-04 10:45:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2022-03-04 10:45:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-04 10:45:35,166 WARN L244 SmtUtils]: Removed 19 from assertion stack [2022-03-04 10:45:35,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-04 10:45:35,208 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 [2022-03-04 10:45:35,208 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 [2022-03-04 10:45:35,208 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 [2022-03-04 10:45:35,370 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 [2022-03-04 10:45:35,370 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1039 for 2688ms.. [2022-03-04 10:45:35,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-04 10:45:35,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 10:45:35,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-04 10:45:35,378 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-04 10:45:35,380 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 10:45:35,380 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 10:45:35,382 INFO L202 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 10:45:35 BasicIcfg [2022-03-04 10:45:35,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 10:45:35,382 INFO L158 Benchmark]: Toolchain (without parser) took 867535.86ms. Allocated memory was 181.4MB in the beginning and 879.8MB in the end (delta: 698.4MB). Free memory was 139.6MB in the beginning and 380.3MB in the end (delta: -240.7MB). Peak memory consumption was 728.7MB. Max. memory is 8.0GB. [2022-03-04 10:45:35,382 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 10:45:35,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.68ms. Allocated memory is still 181.4MB. Free memory was 139.5MB in the beginning and 138.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 10:45:35,401 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 181.4MB. Free memory was 138.0MB in the beginning and 137.1MB in the end (delta: 944.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 10:45:35,405 INFO L158 Benchmark]: RCFGBuilder took 212.22ms. Allocated memory is still 181.4MB. Free memory was 137.1MB in the beginning and 128.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-04 10:45:35,405 INFO L158 Benchmark]: TraceAbstraction took 867261.03ms. Allocated memory was 181.4MB in the beginning and 879.8MB in the end (delta: 698.4MB). Free memory was 128.4MB in the beginning and 380.3MB in the end (delta: -251.8MB). Peak memory consumption was 717.1MB. Max. memory is 8.0GB. [2022-03-04 10:45:35,407 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 0.13ms. Allocated memory is still 181.4MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.68ms. Allocated memory is still 181.4MB. Free memory was 139.5MB in the beginning and 138.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.06ms. Allocated memory is still 181.4MB. Free memory was 138.0MB in the beginning and 137.1MB in the end (delta: 944.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 212.22ms. Allocated memory is still 181.4MB. Free memory was 137.1MB in the beginning and 128.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 867261.03ms. Allocated memory was 181.4MB in the beginning and 879.8MB in the end (delta: 698.4MB). Free memory was 128.4MB in the beginning and 380.3MB in the end (delta: -251.8MB). Peak memory consumption was 717.1MB. 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 PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1039 for 2688ms.. - 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 PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1039 for 2688ms.. - 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 PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1039 for 2688ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 867.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 506.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 672, 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, 0.6s SatisfiabilityAnalysisTime, 358.6s InterpolantComputationTime, 1926 NumberOfCodeBlocks, 1926 NumberOfCodeBlocksAsserted, 151 NumberOfCheckSat, 2874 ConstructedInterpolants, 0 QuantifiedInterpolants, 98546 SizeOfPredicates, 60 NumberOfNonLiveVariables, 1685 ConjunctsInSsa, 1299 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 0/77523 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