/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 20:13:14,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:13:14,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:13:14,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 20:13:14,533 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-Symm.epf [2021-06-16 20:13:14,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:13:14,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:13:14,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:13:14,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:13:14,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:13:14,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:13:14,572 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:13:14,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:13:14,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:13:14,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:13:14,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:13:14,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:13:14,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:13:14,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:13:14,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:13:14,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:13:14,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:13:14,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:13:14,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:13:14,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:13:14,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:13:14,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:13:14,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:13:14,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:13:14,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:13:14,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:13:14,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:13:14,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:13:14,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:13:14,577 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:13:14,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:13:14,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:13:14,578 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:13:14,578 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:13:14,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:13:14,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:13:14,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:13:14,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:13:14,913 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 20:13:14,917 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 20:13:14,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl [2021-06-16 20:13:14,918 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl' [2021-06-16 20:13:14,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:13:14,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 20:13:14,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:13:14,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:13:14,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:13:14,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:14,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:14,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:13:14,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:13:14,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:13:14,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:13:14,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:14,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:14,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:14,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:14,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:15,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:15,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/1) ... [2021-06-16 20:13:15,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:13:15,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:13:15,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:13:15,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:13:15,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (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 20:13:15,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration [2021-06-16 20:13:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure Process2 [2021-06-16 20:13:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Process2 [2021-06-16 20:13:15,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-06-16 20:13:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-06-16 20:13:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-06-16 20:13:15,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 20:13:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:13:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:13:15,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration [2021-06-16 20:13:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure Clock [2021-06-16 20:13:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure Clock [2021-06-16 20:13:15,084 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 20:13:15,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:13:15,324 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-16 20:13:15,326 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:13:15 BoogieIcfgContainer [2021-06-16 20:13:15,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:13:15,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:13:15,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:13:15,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:13:15,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:13:14" (1/2) ... [2021-06-16 20:13:15,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cde281e and model type Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:13:15, skipping insertion in model container [2021-06-16 20:13:15,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:13:15" (2/2) ... [2021-06-16 20:13:15,332 INFO L111 eAbstractionObserver]: Analyzing ICFG Fischer.bpl [2021-06-16 20:13:15,353 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:13:15,354 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:13:15,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 20:13:15,355 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:13:15,405 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,405 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,406 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,406 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,407 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,407 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,407 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,407 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,408 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,409 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,409 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,409 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,410 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,410 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,410 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,410 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,430 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,432 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:13:15,434 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 20:13:15,452 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 20:13:15,497 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:13:15,498 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:13:15,498 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:13:15,498 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:13:15,498 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:13:15,498 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:13:15,498 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:13:15,498 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process2Thread1of1ForFork2======== [2021-06-16 20:13:15,545 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:15,553 INFO L82 PathProgramCache]: Analyzing trace with hash -824509245, now seen corresponding path program 1 times [2021-06-16 20:13:15,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:15,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914111510] [2021-06-16 20:13:15,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:13:15,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:15,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914111510] [2021-06-16 20:13:15,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914111510] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:15,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:15,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 20:13:15,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141919750] [2021-06-16 20:13:15,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 20:13:15,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:15,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 20:13:15,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 20:13:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:15,703 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:15,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 20:13:15,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:15,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:13:15,822 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:15,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:15,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1284266418, now seen corresponding path program 1 times [2021-06-16 20:13:15,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:15,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049416231] [2021-06-16 20:13:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:13:15,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:15,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049416231] [2021-06-16 20:13:15,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049416231] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:15,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:15,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 20:13:15,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798774266] [2021-06-16 20:13:15,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:15,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:15,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:15,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:15,894 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:15,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 20:13:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 20:13:16,102 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:16,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:16,102 INFO L82 PathProgramCache]: Analyzing trace with hash 538092458, now seen corresponding path program 1 times [2021-06-16 20:13:16,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:16,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362174593] [2021-06-16 20:13:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-06-16 20:13:16,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:16,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362174593] [2021-06-16 20:13:16,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362174593] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:16,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:16,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:16,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45309707] [2021-06-16 20:13:16,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:16,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:16,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:16,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:16,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:16,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 20:13:16,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 20:13:16,351 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:16,352 INFO L82 PathProgramCache]: Analyzing trace with hash -662113470, now seen corresponding path program 1 times [2021-06-16 20:13:16,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:16,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054198000] [2021-06-16 20:13:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-06-16 20:13:16,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:16,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054198000] [2021-06-16 20:13:16,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054198000] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:16,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:16,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:16,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580254826] [2021-06-16 20:13:16,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:16,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:16,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:16,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:16,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,480 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:16,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 20:13:16,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 20:13:16,602 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:16,603 INFO L82 PathProgramCache]: Analyzing trace with hash 19664772, now seen corresponding path program 2 times [2021-06-16 20:13:16,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:16,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811973142] [2021-06-16 20:13:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-06-16 20:13:16,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:16,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811973142] [2021-06-16 20:13:16,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811973142] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:16,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:16,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:16,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680396058] [2021-06-16 20:13:16,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:16,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:16,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:16,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,732 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:16,732 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 20:13:16,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 20:13:16,852 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:16,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1534470486, now seen corresponding path program 3 times [2021-06-16 20:13:16,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:16,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598425670] [2021-06-16 20:13:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 542 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2021-06-16 20:13:16,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:16,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598425670] [2021-06-16 20:13:16,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598425670] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:16,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:16,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:16,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416486003] [2021-06-16 20:13:16,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:16,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:16,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:16,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:16,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:16,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 20:13:16,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:16,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 20:13:17,063 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:17,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:17,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1633328272, now seen corresponding path program 4 times [2021-06-16 20:13:17,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:17,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072412813] [2021-06-16 20:13:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-06-16 20:13:17,102 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:17,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072412813] [2021-06-16 20:13:17,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072412813] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:17,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:17,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:17,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038533150] [2021-06-16 20:13:17,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:17,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:17,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:17,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:17,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 20:13:17,162 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:17,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:17,162 INFO L82 PathProgramCache]: Analyzing trace with hash -738410076, now seen corresponding path program 5 times [2021-06-16 20:13:17,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:17,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920821102] [2021-06-16 20:13:17,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-06-16 20:13:17,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:17,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920821102] [2021-06-16 20:13:17,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920821102] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:17,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:17,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 20:13:17,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381153376] [2021-06-16 20:13:17,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:13:17,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:17,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:13:17,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:13:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:17,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:17,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 20:13:17,304 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:17,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:17,305 INFO L82 PathProgramCache]: Analyzing trace with hash -2096464215, now seen corresponding path program 6 times [2021-06-16 20:13:17,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:17,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384269243] [2021-06-16 20:13:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-06-16 20:13:17,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:17,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384269243] [2021-06-16 20:13:17,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384269243] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:17,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:17,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 20:13:17,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101077984] [2021-06-16 20:13:17,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:13:17,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:17,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:13:17,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:13:17,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:17,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:17,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:17,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-16 20:13:17,507 INFO L430 AbstractCegarLoop]: === Iteration 10 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:17,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:17,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1619338056, now seen corresponding path program 7 times [2021-06-16 20:13:17,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:17,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47742182] [2021-06-16 20:13:17,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-06-16 20:13:17,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:17,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47742182] [2021-06-16 20:13:17,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47742182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:17,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484553349] [2021-06-16 20:13:17,554 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 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 20:13:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:17,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:13:17,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 73 proven. 13 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-06-16 20:13:17,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484553349] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:17,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:17,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 9 [2021-06-16 20:13:17,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820054047] [2021-06-16 20:13:17,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:13:17,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:17,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:13:17,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:13:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,971 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:17,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 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 20:13:17,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:17,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:18,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:18,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:13:18,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-16 20:13:18,795 INFO L430 AbstractCegarLoop]: === Iteration 11 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:18,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:18,796 INFO L82 PathProgramCache]: Analyzing trace with hash -956329304, now seen corresponding path program 8 times [2021-06-16 20:13:18,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:18,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143781522] [2021-06-16 20:13:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:18,890 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 168 proven. 45 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-06-16 20:13:18,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:18,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143781522] [2021-06-16 20:13:18,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143781522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:18,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092356683] [2021-06-16 20:13:18,891 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 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 20:13:18,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:13:18,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:18,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 20:13:18,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 174 proven. 49 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-06-16 20:13:19,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092356683] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:19,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:19,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-16 20:13:19,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814712617] [2021-06-16 20:13:19,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 20:13:19,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:19,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 20:13:19,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-06-16 20:13:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:19,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:19,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 15 states have internal predecessors, (139), 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 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:19,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:19,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:19,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:19,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:13:19,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:21,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:13:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:13:21,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-16 20:13:21,309 INFO L430 AbstractCegarLoop]: === Iteration 12 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:21,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:21,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1251084558, now seen corresponding path program 9 times [2021-06-16 20:13:21,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:21,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213145724] [2021-06-16 20:13:21,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 77 proven. 34 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-06-16 20:13:21,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:21,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213145724] [2021-06-16 20:13:21,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213145724] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:21,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366188013] [2021-06-16 20:13:21,382 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 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 20:13:21,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 20:13:21,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:21,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 20:13:21,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 10 proven. 111 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-16 20:13:21,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366188013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:21,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:21,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 13 [2021-06-16 20:13:21,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699847363] [2021-06-16 20:13:21,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 20:13:21,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:21,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 20:13:21,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-16 20:13:21,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:21,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:21,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 13 states have internal predecessors, (118), 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 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:13:21,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-16 20:13:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:24,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:13:24,409 INFO L430 AbstractCegarLoop]: === Iteration 13 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:24,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:24,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1778838173, now seen corresponding path program 10 times [2021-06-16 20:13:24,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:24,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2783761] [2021-06-16 20:13:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 209 proven. 57 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-06-16 20:13:24,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:24,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2783761] [2021-06-16 20:13:24,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2783761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:24,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279749292] [2021-06-16 20:13:24,482 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 20:13:24,550 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:13:24,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:24,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 20:13:24,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 185 proven. 23 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-06-16 20:13:24,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279749292] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:24,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:24,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 14 [2021-06-16 20:13:24,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167856369] [2021-06-16 20:13:24,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 20:13:24,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:24,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 20:13:24,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-06-16 20:13:24,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:24,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:24,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 14 states have internal predecessors, (111), 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 20:13:24,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:24,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:24,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-16 20:13:27,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-16 20:13:27,319 INFO L430 AbstractCegarLoop]: === Iteration 14 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:27,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1728452543, now seen corresponding path program 11 times [2021-06-16 20:13:27,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:27,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844505936] [2021-06-16 20:13:27,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 441 proven. 24 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2021-06-16 20:13:27,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:27,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844505936] [2021-06-16 20:13:27,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844505936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:27,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119521365] [2021-06-16 20:13:27,378 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 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 20:13:27,485 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-16 20:13:27,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:27,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 20:13:27,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 554 proven. 225 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-06-16 20:13:27,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119521365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:27,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:27,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 14 [2021-06-16 20:13:27,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196833954] [2021-06-16 20:13:27,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 20:13:27,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:27,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 20:13:27,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-16 20:13:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:27,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:27,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 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 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-16 20:13:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-16 20:13:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-16 20:13:31,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:13:31,481 INFO L430 AbstractCegarLoop]: === Iteration 15 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:31,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1847778961, now seen corresponding path program 12 times [2021-06-16 20:13:31,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:31,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666304329] [2021-06-16 20:13:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 99 proven. 17 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-06-16 20:13:31,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:31,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666304329] [2021-06-16 20:13:31,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666304329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:31,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128289385] [2021-06-16 20:13:31,527 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 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 20:13:31,578 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 20:13:31,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:31,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:13:31,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-06-16 20:13:31,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128289385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:31,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:31,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-06-16 20:13:31,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44471235] [2021-06-16 20:13:31,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 20:13:31,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:31,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 20:13:31,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-06-16 20:13:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:31,829 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:31,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 20:13:31,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:31,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:31,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-16 20:13:31,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-16 20:13:31,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-16 20:13:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-16 20:13:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:13:34,861 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-16 20:13:34,862 INFO L430 AbstractCegarLoop]: === Iteration 16 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:34,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:34,862 INFO L82 PathProgramCache]: Analyzing trace with hash -2076404362, now seen corresponding path program 13 times [2021-06-16 20:13:34,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:34,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423231503] [2021-06-16 20:13:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 456 proven. 44 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-06-16 20:13:34,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:34,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423231503] [2021-06-16 20:13:34,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423231503] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:34,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020459733] [2021-06-16 20:13:34,918 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 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 20:13:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:35,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 20:13:35,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 310 proven. 32 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-06-16 20:13:35,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020459733] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:35,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:35,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 12 [2021-06-16 20:13:35,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282145708] [2021-06-16 20:13:35,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 20:13:35,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:35,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 20:13:35,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-06-16 20:13:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:35,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:35,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 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 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:35,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:35,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:35,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:35,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-16 20:13:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-16 20:13:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:13:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:43,005 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-06-16 20:13:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:13:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 20:13:55,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-16 20:13:55,892 INFO L301 ceAbstractionStarter]: Result for error location Process2Thread1of1ForFork2 was SAFE (1/5) [2021-06-16 20:13:55,894 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:13:55,900 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:13:55,900 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:13:55,900 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:13:55,900 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:13:55,900 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:13:55,900 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:13:55,901 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:13:55,901 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process2======== [2021-06-16 20:13:56,151 INFO L301 ceAbstractionStarter]: Result for error location Process2 was SAFE (2/5) [2021-06-16 20:13:56,153 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:13:56,157 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:13:56,157 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:13:56,157 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:13:56,158 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:13:56,158 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:13:56,158 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:13:56,158 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:13:56,158 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1======== [2021-06-16 20:13:56,327 INFO L301 ceAbstractionStarter]: Result for error location Process1 was SAFE (3/5) [2021-06-16 20:13:56,328 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:13:56,337 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:13:56,338 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:13:56,338 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:13:56,338 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:13:56,338 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:13:56,338 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:13:56,338 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:13:56,338 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:13:56,517 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-16 20:13:56,517 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:13:56,532 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:13:56,532 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:13:56,532 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:13:56,532 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:13:56,532 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:13:56,532 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:13:56,532 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:13:56,532 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1Thread1of1ForFork1======== [2021-06-16 20:13:56,535 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1954281453, now seen corresponding path program 1 times [2021-06-16 20:13:56,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304621180] [2021-06-16 20:13:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:13:56,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304621180] [2021-06-16 20:13:56,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304621180] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 20:13:56,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075925390] [2021-06-16 20:13:56,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 20:13:56,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 20:13:56,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 20:13:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 20:13:56,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-16 20:13:56,570 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,570 INFO L82 PathProgramCache]: Analyzing trace with hash -652561646, now seen corresponding path program 1 times [2021-06-16 20:13:56,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079818784] [2021-06-16 20:13:56,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:13:56,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079818784] [2021-06-16 20:13:56,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079818784] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-16 20:13:56,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097612229] [2021-06-16 20:13:56,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:56,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:56,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:56,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 20:13:56,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-16 20:13:56,613 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1466599838, now seen corresponding path program 1 times [2021-06-16 20:13:56,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337235453] [2021-06-16 20:13:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-06-16 20:13:56,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337235453] [2021-06-16 20:13:56,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337235453] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:56,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738510560] [2021-06-16 20:13:56,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:56,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:56,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,633 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 20:13:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-16 20:13:56,705 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1369077020, now seen corresponding path program 1 times [2021-06-16 20:13:56,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866472170] [2021-06-16 20:13:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2021-06-16 20:13:56,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866472170] [2021-06-16 20:13:56,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866472170] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:56,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734461244] [2021-06-16 20:13:56,752 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:56,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:56,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 20:13:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-16 20:13:56,791 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1221312060, now seen corresponding path program 2 times [2021-06-16 20:13:56,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545471220] [2021-06-16 20:13:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2021-06-16 20:13:56,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545471220] [2021-06-16 20:13:56,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545471220] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:56,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43125377] [2021-06-16 20:13:56,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:56,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:56,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 20:13:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-16 20:13:56,855 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1693606731, now seen corresponding path program 3 times [2021-06-16 20:13:56,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171462057] [2021-06-16 20:13:56,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2021-06-16 20:13:56,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171462057] [2021-06-16 20:13:56,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171462057] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:13:56,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73346692] [2021-06-16 20:13:56,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:13:56,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:13:56,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:13:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,880 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 20:13:56,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-16 20:13:56,920 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,920 INFO L82 PathProgramCache]: Analyzing trace with hash 263002664, now seen corresponding path program 4 times [2021-06-16 20:13:56,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465201629] [2021-06-16 20:13:56,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2021-06-16 20:13:56,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:56,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465201629] [2021-06-16 20:13:56,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465201629] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:56,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:56,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 20:13:56,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670807933] [2021-06-16 20:13:56,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:13:56,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:56,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:13:56,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:13:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:56,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 20:13:56,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:56,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-16 20:13:56,994 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:56,994 INFO L82 PathProgramCache]: Analyzing trace with hash -841845075, now seen corresponding path program 5 times [2021-06-16 20:13:56,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:56,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432664382] [2021-06-16 20:13:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-06-16 20:13:57,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:57,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432664382] [2021-06-16 20:13:57,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432664382] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:13:57,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:13:57,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 20:13:57,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652226235] [2021-06-16 20:13:57,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:13:57,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:57,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:13:57,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:13:57,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:57,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:57,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 20:13:57,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:57,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:57,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-16 20:13:57,097 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:57,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:57,097 INFO L82 PathProgramCache]: Analyzing trace with hash 980574754, now seen corresponding path program 6 times [2021-06-16 20:13:57,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:57,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433065546] [2021-06-16 20:13:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-06-16 20:13:57,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:57,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433065546] [2021-06-16 20:13:57,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433065546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:57,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144721581] [2021-06-16 20:13:57,137 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:13:57,188 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 20:13:57,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:57,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:13:57,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-06-16 20:13:57,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144721581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:57,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:57,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-16 20:13:57,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271211514] [2021-06-16 20:13:57,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 20:13:57,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:57,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 20:13:57,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-16 20:13:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:57,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:57,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:13:58,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-16 20:13:58,536 INFO L430 AbstractCegarLoop]: === Iteration 10 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:58,536 INFO L82 PathProgramCache]: Analyzing trace with hash -415528443, now seen corresponding path program 7 times [2021-06-16 20:13:58,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:58,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530177944] [2021-06-16 20:13:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 67 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-06-16 20:13:58,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:58,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530177944] [2021-06-16 20:13:58,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530177944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:58,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365561055] [2021-06-16 20:13:58,584 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:13:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:58,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:13:58,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 67 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-06-16 20:13:58,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365561055] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:58,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:58,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-06-16 20:13:58,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735743080] [2021-06-16 20:13:58,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 20:13:58,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:58,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 20:13:58,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 20:13:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:58,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:58,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:58,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:13:58,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:13:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:13:59,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:13:59,287 INFO L430 AbstractCegarLoop]: === Iteration 11 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:13:59,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:13:59,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1455329682, now seen corresponding path program 8 times [2021-06-16 20:13:59,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:13:59,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973784919] [2021-06-16 20:13:59,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:13:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:13:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 87 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-06-16 20:13:59,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:13:59,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973784919] [2021-06-16 20:13:59,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973784919] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:59,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595642239] [2021-06-16 20:13:59,349 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:13:59,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:13:59,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:13:59,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 20:13:59,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:13:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 123 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-16 20:13:59,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595642239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:13:59,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:13:59,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-16 20:13:59,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423445805] [2021-06-16 20:13:59,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 20:13:59,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:13:59,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 20:13:59,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-06-16 20:13:59,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:59,641 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:13:59,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 10.133333333333333) internal successors, (152), 15 states have internal predecessors, (152), 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 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:13:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:14:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:14:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:14:01,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-16 20:14:01,661 INFO L430 AbstractCegarLoop]: === Iteration 12 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:14:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:14:01,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1230802273, now seen corresponding path program 9 times [2021-06-16 20:14:01,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:14:01,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428258531] [2021-06-16 20:14:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:14:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:14:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 464 proven. 22 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2021-06-16 20:14:01,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:14:01,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428258531] [2021-06-16 20:14:01,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428258531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:14:01,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086603226] [2021-06-16 20:14:01,709 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:14:01,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 20:14:01,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:14:01,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:14:01,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:14:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 161 proven. 287 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2021-06-16 20:14:02,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086603226] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:14:02,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:14:02,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-16 20:14:02,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405925328] [2021-06-16 20:14:02,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 20:14:02,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:14:02,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 20:14:02,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-16 20:14:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:14:02,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:14:02,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 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 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:14:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:14:02,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:14:02,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:14:02,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:14:02,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:14:06,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:14:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:14:06,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-16 20:14:06,714 INFO L301 ceAbstractionStarter]: Result for error location Process1Thread1of1ForFork1 was SAFE (5/5) [2021-06-16 20:14:06,714 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 20:14:06,717 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 08:14:06 BasicIcfg [2021-06-16 20:14:06,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 20:14:06,717 INFO L168 Benchmark]: Toolchain (without parser) took 51763.05 ms. Allocated memory was 188.7 MB in the beginning and 5.6 GB in the end (delta: 5.4 GB). Free memory was 169.3 MB in the beginning and 4.4 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-06-16 20:14:06,718 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 188.7 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 20:14:06,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.90 ms. Allocated memory is still 188.7 MB. Free memory was 169.1 MB in the beginning and 167.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:14:06,718 INFO L168 Benchmark]: Boogie Preprocessor took 21.34 ms. Allocated memory is still 188.7 MB. Free memory was 167.8 MB in the beginning and 166.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:14:06,718 INFO L168 Benchmark]: RCFGBuilder took 318.62 ms. Allocated memory is still 188.7 MB. Free memory was 166.8 MB in the beginning and 154.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-16 20:14:06,718 INFO L168 Benchmark]: TraceAbstraction took 51389.94 ms. Allocated memory was 188.7 MB in the beginning and 5.6 GB in the end (delta: 5.4 GB). Free memory was 153.7 MB in the beginning and 4.4 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-06-16 20:14:06,718 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 0.18 ms. Allocated memory is still 188.7 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.90 ms. Allocated memory is still 188.7 MB. Free memory was 169.1 MB in the beginning and 167.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.34 ms. Allocated memory is still 188.7 MB. Free memory was 167.8 MB in the beginning and 166.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 318.62 ms. Allocated memory is still 188.7 MB. Free memory was 166.8 MB in the beginning and 154.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 51389.94 ms. Allocated memory was 188.7 MB in the beginning and 5.6 GB in the end (delta: 5.4 GB). Free memory was 153.7 MB in the beginning and 4.4 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1918304, positive: 1493438, positive conditional: 1493438, positive unconditional: 0, negative: 424866, negative conditional: 424866, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1648894, positive: 1493438, positive conditional: 1493438, positive unconditional: 0, negative: 155456, negative conditional: 155456, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1648894, positive: 1423209, positive conditional: 0, positive unconditional: 1423209, negative: 225685, negative conditional: 0, negative unconditional: 225685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 338, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 338, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1648894, positive: 1422909, positive conditional: 0, positive unconditional: 1422909, negative: 225647, negative conditional: 0, negative unconditional: 225647, unknown: 338, unknown conditional: 0, unknown unconditional: 338] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303, SemanticConditionEliminator.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3150611, positive: 70229, positive conditional: 70229, positive unconditional: 0, negative: 3080382, negative conditional: 1025079, negative unconditional: 2055303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1426, positive: 91, positive conditional: 89, positive unconditional: 2, negative: 1335, negative conditional: 1297, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2169, positive: 197, positive conditional: 192, positive unconditional: 5, negative: 1972, negative conditional: 1818, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3150611, positive: 70140, positive conditional: 70140, positive unconditional: 0, negative: 3079085, negative conditional: 1023782, negative unconditional: 2055303, unknown: 1386, unknown conditional: 1386, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 389, Positive conditional cache size: 89, Positive unconditional cache size: 300, Negative cache size: 1335, Negative conditional cache size: 1297, Negative unconditional cache size: 38, Eliminated conditions: 2055303 ], Maximal queried relation: 16, Independence queries for same thread: 269410 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30160, positive: 23708, positive conditional: 23708, positive unconditional: 0, negative: 6452, negative conditional: 6452, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25589, positive: 23708, positive conditional: 23708, positive unconditional: 0, negative: 1881, negative conditional: 1881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25589, positive: 23708, positive conditional: 0, positive unconditional: 23708, negative: 1881, negative conditional: 0, negative unconditional: 1881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 409, positive: 371, positive conditional: 0, positive unconditional: 371, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 409, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25589, positive: 23337, positive conditional: 0, positive unconditional: 23337, negative: 1843, negative conditional: 0, negative unconditional: 1843, unknown: 409, unknown conditional: 0, unknown unconditional: 409] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 371, Positive conditional cache size: 0, Positive unconditional cache size: 371, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 ], Maximal queried relation: 0, Independence queries for same thread: 4571 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30160, positive: 23708, positive conditional: 23708, positive unconditional: 0, negative: 6452, negative conditional: 6452, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25589, positive: 23708, positive conditional: 23708, positive unconditional: 0, negative: 1881, negative conditional: 1881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25589, positive: 23708, positive conditional: 0, positive unconditional: 23708, negative: 1881, negative conditional: 0, negative unconditional: 1881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 409, positive: 371, positive conditional: 0, positive unconditional: 371, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 409, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25589, positive: 23337, positive conditional: 0, positive unconditional: 23337, negative: 1843, negative conditional: 0, negative unconditional: 1843, unknown: 409, unknown conditional: 0, unknown unconditional: 409] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 371, Positive conditional cache size: 0, Positive unconditional cache size: 371, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 ], Maximal queried relation: 0, Independence queries for same thread: 4571 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30160, positive: 23708, positive conditional: 23708, positive unconditional: 0, negative: 6452, negative conditional: 6452, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25589, positive: 23708, positive conditional: 23708, positive unconditional: 0, negative: 1881, negative conditional: 1881, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25589, positive: 23708, positive conditional: 0, positive unconditional: 23708, negative: 1881, negative conditional: 0, negative unconditional: 1881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 409, positive: 371, positive conditional: 0, positive unconditional: 371, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 409, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25589, positive: 23337, positive conditional: 0, positive unconditional: 23337, negative: 1843, negative conditional: 0, negative unconditional: 1843, unknown: 409, unknown conditional: 0, unknown unconditional: 409] , Statistics on independence cache: Total cache size (in pairs): 409, Positive cache size: 371, Positive conditional cache size: 0, Positive unconditional cache size: 371, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 ], Maximal queried relation: 0, Independence queries for same thread: 4571 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 405745, positive: 313930, positive conditional: 313930, positive unconditional: 0, negative: 91815, negative conditional: 91815, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 349760, positive: 313930, positive conditional: 313930, positive unconditional: 0, negative: 35830, negative conditional: 35830, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 349760, positive: 301524, positive conditional: 0, positive unconditional: 301524, negative: 48236, negative conditional: 0, negative unconditional: 48236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 355, positive: 316, positive conditional: 0, positive unconditional: 316, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 349760, positive: 301206, positive conditional: 0, positive unconditional: 301206, negative: 48199, negative conditional: 0, negative unconditional: 48199, unknown: 355, unknown conditional: 0, unknown unconditional: 355] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685, SemanticConditionEliminator.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 531887, positive: 12406, positive conditional: 12406, positive unconditional: 0, negative: 519481, negative conditional: 145796, negative unconditional: 373685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 566, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 512, negative conditional: 475, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 732, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 638, negative conditional: 587, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 531887, positive: 12354, positive conditional: 12354, positive unconditional: 0, negative: 519006, negative conditional: 145321, negative unconditional: 373685, unknown: 527, unknown conditional: 527, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 370, Positive conditional cache size: 52, Positive unconditional cache size: 318, Negative cache size: 512, Negative conditional cache size: 475, Negative unconditional cache size: 37, Eliminated conditions: 373685 ], Maximal queried relation: 12, Independence queries for same thread: 55985 - PositiveResult [Line: 78]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 57]: 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: Process2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40423.6ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 34802.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 344, 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: 230.2ms SsaConstructionTime, 504.6ms SatisfiabilityAnalysisTime, 2862.9ms InterpolantComputationTime, 3315 NumberOfCodeBlocks, 3263 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 3292 ConstructedInterpolants, 0 QuantifiedInterpolants, 6891 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1680 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 23 InterpolantComputations, 9 PerfectInterpolantSequences, 9554/10359 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process2 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 256.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 248.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process1 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 173.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 167.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 188.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 177.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process1Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10192.1ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 7831.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 147, 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: 43.0ms SsaConstructionTime, 160.6ms SatisfiabilityAnalysisTime, 1114.1ms InterpolantComputationTime, 2028 NumberOfCodeBlocks, 1887 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2012 ConstructedInterpolants, 0 QuantifiedInterpolants, 4638 SizeOfPredicates, 16 NumberOfNonLiveVariables, 672 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 5282/5858 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...