/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:36:53,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:36:53,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:36:53,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 23:36:53,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-16 23:36:53,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:36:53,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:36:53,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:36:53,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:36:53,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:36:53,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:36:53,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:36:53,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:36:53,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:36:53,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:36:53,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:36:53,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:36:53,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:36:53,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:36:53,617 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:36:53,618 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:36:53,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:36:53,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:36:53,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:36:53,873 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 23:36:53,875 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 23:36:53,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl [2021-06-16 23:36:53,875 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl' [2021-06-16 23:36:53,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:36:53,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 23:36:53,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:36:53,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:36:53,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:36:53,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:36:53,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:36:53,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:36:53,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:36:53,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... [2021-06-16 23:36:53,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:36:53,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:36:53,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:36:53,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:36:53,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:36:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2021-06-16 23:36:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2021-06-16 23:36:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:36:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:36:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2021-06-16 23:36:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2021-06-16 23:36:53,999 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 23:36:54,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:36:54,110 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 23:36:54,111 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:36:54 BoogieIcfgContainer [2021-06-16 23:36:54,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:36:54,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:36:54,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:36:54,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:36:54,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:36:53" (1/2) ... [2021-06-16 23:36:54,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb94897 and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:36:54, skipping insertion in model container [2021-06-16 23:36:54,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:36:54" (2/2) ... [2021-06-16 23:36:54,116 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2021-06-16 23:36:54,119 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:36:54,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:36:54,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 23:36:54,120 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:36:54,133 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,133 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,134 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,134 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,134 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,134 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,134 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,134 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,135 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,135 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,135 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,135 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,135 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,135 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,136 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,137 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,139 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,139 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,142 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,142 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:54,148 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-16 23:36:54,175 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 23:36:54,267 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:36:54,267 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:36:54,267 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:36:54,267 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:36:54,268 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:36:54,268 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:36:54,268 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:36:54,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 23:36:54,344 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:54,350 INFO L82 PathProgramCache]: Analyzing trace with hash -726515010, now seen corresponding path program 1 times [2021-06-16 23:36:54,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:54,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670564940] [2021-06-16 23:36:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:54,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:54,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670564940] [2021-06-16 23:36:54,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670564940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:54,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236931942] [2021-06-16 23:36:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:54,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-16 23:36:54,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-16 23:36:54,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236931942] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:36:54,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 23:36:54,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-06-16 23:36:54,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052949732] [2021-06-16 23:36:54,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 23:36:54,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:54,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 23:36:54,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-16 23:36:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:54,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:54,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:54,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:54,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-16 23:36:54,918 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:54,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1073684940, now seen corresponding path program 1 times [2021-06-16 23:36:54,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:54,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837666933] [2021-06-16 23:36:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:54,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:54,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837666933] [2021-06-16 23:36:54,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837666933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:54,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697831278] [2021-06-16 23:36:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:54,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 23:36:54,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:55,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697831278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:55,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:55,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-16 23:36:55,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464698484] [2021-06-16 23:36:55,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 23:36:55,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:55,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 23:36:55,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-16 23:36:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:55,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:55,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:55,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:55,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:55,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:55,281 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:55,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:55,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1428944454, now seen corresponding path program 2 times [2021-06-16 23:36:55,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:55,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820817205] [2021-06-16 23:36:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-16 23:36:55,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:55,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820817205] [2021-06-16 23:36:55,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820817205] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:55,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762360299] [2021-06-16 23:36:55,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:55,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:36:55,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:36:55,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 23:36:55,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:55,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762360299] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:55,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:55,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 14 [2021-06-16 23:36:55,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085064086] [2021-06-16 23:36:55,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 23:36:55,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:55,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 23:36:55,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-16 23:36:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:55,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:55,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:55,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:55,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:55,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:55,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:55,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:56,160 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:56,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash -503891740, now seen corresponding path program 3 times [2021-06-16 23:36:56,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:56,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106230080] [2021-06-16 23:36:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-16 23:36:56,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:56,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106230080] [2021-06-16 23:36:56,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106230080] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:36:56,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:36:56,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 23:36:56,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611801812] [2021-06-16 23:36:56,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 23:36:56,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:56,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 23:36:56,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-16 23:36:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:56,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:56,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:56,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:56,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:56,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:56,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 23:36:56,273 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:56,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:56,274 INFO L82 PathProgramCache]: Analyzing trace with hash 683775134, now seen corresponding path program 4 times [2021-06-16 23:36:56,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:56,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791172859] [2021-06-16 23:36:56,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-16 23:36:56,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:56,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791172859] [2021-06-16 23:36:56,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791172859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:36:56,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:36:56,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 23:36:56,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041546291] [2021-06-16 23:36:56,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 23:36:56,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:56,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 23:36:56,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-16 23:36:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:56,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:56,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:56,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:56,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:56,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 23:36:56,337 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:56,337 INFO L82 PathProgramCache]: Analyzing trace with hash 260336637, now seen corresponding path program 5 times [2021-06-16 23:36:56,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:56,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707997063] [2021-06-16 23:36:56,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:56,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:56,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707997063] [2021-06-16 23:36:56,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707997063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:56,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694186587] [2021-06-16 23:36:56,456 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:56,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 23:36:56,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:36:56,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-16 23:36:56,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:56,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694186587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:56,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:56,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-16 23:36:56,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006546770] [2021-06-16 23:36:56,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 23:36:56,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:56,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 23:36:56,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-16 23:36:56,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:56,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:56,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:56,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:56,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:56,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:56,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:56,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:57,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-16 23:36:57,025 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:57,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1493315445, now seen corresponding path program 6 times [2021-06-16 23:36:57,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:57,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833660849] [2021-06-16 23:36:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:36:57,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:57,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833660849] [2021-06-16 23:36:57,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833660849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:57,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043417305] [2021-06-16 23:36:57,068 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:57,199 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 23:36:57,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:36:57,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 23:36:57,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:36:57,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043417305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:57,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:57,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-16 23:36:57,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331041119] [2021-06-16 23:36:57,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 23:36:57,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:57,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 23:36:57,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-16 23:36:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:57,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:57,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:57,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:57,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:57,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 23:36:57,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:57,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:57,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:57,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 23:36:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:36:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:57,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:57,752 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:57,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:57,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1781015899, now seen corresponding path program 7 times [2021-06-16 23:36:57,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:57,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874670686] [2021-06-16 23:36:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:57,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:57,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874670686] [2021-06-16 23:36:57,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874670686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:57,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985437429] [2021-06-16 23:36:57,849 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:57,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-16 23:36:57,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:57,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985437429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:57,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:57,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-16 23:36:57,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918704267] [2021-06-16 23:36:57,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 23:36:57,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:57,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 23:36:57,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-16 23:36:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:57,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:57,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:57,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:57,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:57,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 23:36:57,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:57,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:57,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:36:57,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:57,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:36:58,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:58,383 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:58,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:58,383 INFO L82 PathProgramCache]: Analyzing trace with hash 587471209, now seen corresponding path program 8 times [2021-06-16 23:36:58,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:58,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522631712] [2021-06-16 23:36:58,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:58,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:58,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522631712] [2021-06-16 23:36:58,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522631712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:58,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413446041] [2021-06-16 23:36:58,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:58,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:36:58,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:36:58,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 23:36:58,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:58,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413446041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:58,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:58,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-16 23:36:58,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001556349] [2021-06-16 23:36:58,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 23:36:58,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:58,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 23:36:58,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-16 23:36:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:58,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:58,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:58,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:58,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:58,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 23:36:58,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:58,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:58,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 23:36:58,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:58,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:36:58,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:36:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:36:59,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-16 23:36:59,025 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:59,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:59,025 INFO L82 PathProgramCache]: Analyzing trace with hash -46505291, now seen corresponding path program 9 times [2021-06-16 23:36:59,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:59,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278850543] [2021-06-16 23:36:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:59,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:59,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278850543] [2021-06-16 23:36:59,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278850543] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:59,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966097873] [2021-06-16 23:36:59,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:59,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 23:36:59,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:36:59,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 23:36:59,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:36:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:59,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966097873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:36:59,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:36:59,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-16 23:36:59,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428444273] [2021-06-16 23:36:59,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 23:36:59,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:59,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 23:36:59,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-16 23:36:59,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:59,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:59,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:59,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:59,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:36:59,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:59,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:36:59,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:36:59,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:36:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:36:59,722 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:36:59,731 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 23:36:59,732 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 11:36:59 BasicIcfg [2021-06-16 23:36:59,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 23:36:59,733 INFO L168 Benchmark]: Toolchain (without parser) took 5842.46 ms. Allocated memory was 176.2 MB in the beginning and 325.1 MB in the end (delta: 148.9 MB). Free memory was 155.4 MB in the beginning and 126.4 MB in the end (delta: 29.0 MB). Peak memory consumption was 177.6 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:59,733 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 176.2 MB. Free memory is still 156.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 23:36:59,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.14 ms. Allocated memory is still 176.2 MB. Free memory was 155.4 MB in the beginning and 154.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:59,733 INFO L168 Benchmark]: Boogie Preprocessor took 9.96 ms. Allocated memory is still 176.2 MB. Free memory was 153.8 MB in the beginning and 152.9 MB in the end (delta: 929.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:59,733 INFO L168 Benchmark]: RCFGBuilder took 192.84 ms. Allocated memory is still 176.2 MB. Free memory was 152.9 MB in the beginning and 142.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:59,733 INFO L168 Benchmark]: TraceAbstraction took 5620.35 ms. Allocated memory was 176.2 MB in the beginning and 325.1 MB in the end (delta: 148.9 MB). Free memory was 142.3 MB in the beginning and 126.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 165.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:59,734 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 0.11 ms. Allocated memory is still 176.2 MB. Free memory is still 156.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.14 ms. Allocated memory is still 176.2 MB. Free memory was 155.4 MB in the beginning and 154.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.96 ms. Allocated memory is still 176.2 MB. Free memory was 153.8 MB in the beginning and 152.9 MB in the end (delta: 929.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 192.84 ms. Allocated memory is still 176.2 MB. Free memory was 152.9 MB in the beginning and 142.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5620.35 ms. Allocated memory was 176.2 MB in the beginning and 325.1 MB in the end (delta: 148.9 MB). Free memory was 142.3 MB in the beginning and 126.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 165.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16533, positive: 12797, positive conditional: 12797, positive unconditional: 0, negative: 3736, negative conditional: 3736, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13373, positive: 12797, positive conditional: 12797, positive unconditional: 0, negative: 576, negative conditional: 576, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13373, positive: 12797, positive conditional: 0, positive unconditional: 12797, negative: 576, negative conditional: 0, negative unconditional: 576, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 104, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 104, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13373, positive: 12698, positive conditional: 0, positive unconditional: 12698, negative: 571, negative conditional: 0, negative unconditional: 571, unknown: 104, unknown conditional: 0, unknown unconditional: 104] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217, SemanticConditionEliminator.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4648, negative conditional: 1431, negative unconditional: 3217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 166, negative conditional: 161, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 130, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4648, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4487, negative conditional: 1270, negative unconditional: 3217, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 166, Negative conditional cache size: 161, Negative unconditional cache size: 5, Eliminated conditions: 3217 ], Maximal queried relation: 10, Independence queries for same thread: 3160 - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5544.4ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.3ms, PartialOrderReductionTime: 2014.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 37.5ms SsaConstructionTime, 184.0ms SatisfiabilityAnalysisTime, 1034.2ms InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 590 ConstructedInterpolants, 0 QuantifiedInterpolants, 1592 SizeOfPredicates, 50 NumberOfNonLiveVariables, 455 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 389/486 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...