/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 02:26:49,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 02:26:49,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 02:26:49,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 02:26:49,527 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 02:26:49,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 02:26:49,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 02:26:49,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 02:26:49,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 02:26:49,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 02:26:49,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 02:26:49,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 02:26:49,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:26:49,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 02:26:49,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 02:26:49,550 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 02:26:49,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 02:26:49,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 02:26:49,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 02:26:49,798 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 02:26:49,800 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 02:26:49,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-06-07 02:26:49,800 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-06-07 02:26:49,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 02:26:49,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 02:26:49,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 02:26:49,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 02:26:49,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 02:26:49,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 02:26:49,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 02:26:49,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 02:26:49,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 02:26:49,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/1) ... [2021-06-07 02:26:49,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 02:26:49,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 02:26:49,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 02:26:49,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 02:26:49,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (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 [2021-06-07 02:26:49,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 02:26:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 02:26:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 02:26:49,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 02:26:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 02:26:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 02:26:49,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 02:26:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 02:26:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 02:26:49,909 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 02:26:50,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 02:26:50,057 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-07 02:26:50,057 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 02:26:50,057 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-07 02:26:50,058 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:26:50 BoogieIcfgContainer [2021-06-07 02:26:50,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 02:26:50,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 02:26:50,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 02:26:50,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 02:26:50,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:49" (1/2) ... [2021-06-07 02:26:50,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84a6967 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:26:50, skipping insertion in model container [2021-06-07 02:26:50,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:26:50" (2/2) ... [2021-06-07 02:26:50,063 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-06-07 02:26:50,066 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 02:26:50,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 02:26:50,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 02:26:50,067 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 02:26:50,102 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 02:26:50,123 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 02:26:50,153 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 02:26:50,153 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 02:26:50,153 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 02:26:50,153 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 02:26:50,154 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 02:26:50,154 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 02:26:50,154 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 02:26:50,154 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 02:26:50,170 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:50,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:50,174 INFO L82 PathProgramCache]: Analyzing trace with hash -831219458, now seen corresponding path program 1 times [2021-06-07 02:26:50,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:50,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087641066] [2021-06-07 02:26:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:50,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:50,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087641066] [2021-06-07 02:26:50,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087641066] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:26:50,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:26:50,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 02:26:50,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751065490] [2021-06-07 02:26:50,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 02:26:50,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:50,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 02:26:50,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 02:26:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:50,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:50,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-06-07 02:26:50,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:50,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 02:26:50,327 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1522226910, now seen corresponding path program 1 times [2021-06-07 02:26:50,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:50,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024299840] [2021-06-07 02:26:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:50,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:50,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024299840] [2021-06-07 02:26:50,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024299840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:50,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817119109] [2021-06-07 02:26:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:50,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-07 02:26:50,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:50,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817119109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:50,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:50,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-07 02:26:50,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933687900] [2021-06-07 02:26:50,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 02:26:50,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:50,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 02:26:50,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-07 02:26:50,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:50,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:50,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-06-07 02:26:50,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:50,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:50,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:50,752 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:50,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1524343315, now seen corresponding path program 1 times [2021-06-07 02:26:50,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:50,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127585696] [2021-06-07 02:26:50,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:50,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:50,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127585696] [2021-06-07 02:26:50,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127585696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:50,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076391713] [2021-06-07 02:26:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:50,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-07 02:26:50,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:50,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076391713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:50,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:50,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-07 02:26:50,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415485339] [2021-06-07 02:26:50,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 02:26:50,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:50,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 02:26:50,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 02:26:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:50,913 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:50,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-06-07 02:26:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:50,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:51,149 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:51,150 INFO L82 PathProgramCache]: Analyzing trace with hash -261462029, now seen corresponding path program 2 times [2021-06-07 02:26:51,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:51,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777449074] [2021-06-07 02:26:51,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:51,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:51,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777449074] [2021-06-07 02:26:51,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777449074] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:51,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188560311] [2021-06-07 02:26:51,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:51,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:26:51,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:51,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 02:26:51,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:51,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:51,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-07 02:26:51,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:26:51,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:51,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:26:51,337 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-07 02:26:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:51,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188560311] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:51,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:51,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-06-07 02:26:51,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96611623] [2021-06-07 02:26:51,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 02:26:51,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:51,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 02:26:51,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-07 02:26:51,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:51,353 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:51,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-06-07 02:26:51,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:51,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:51,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:51,585 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:51,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:51,586 INFO L82 PathProgramCache]: Analyzing trace with hash 213147155, now seen corresponding path program 3 times [2021-06-07 02:26:51,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:51,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318651794] [2021-06-07 02:26:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:51,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:51,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318651794] [2021-06-07 02:26:51,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318651794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:51,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187030371] [2021-06-07 02:26:51,640 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 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 [2021-06-07 02:26:51,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:26:51,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:51,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 02:26:51,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:51,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187030371] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:51,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:51,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-07 02:26:51,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10838565] [2021-06-07 02:26:51,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 02:26:51,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:51,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 02:26:51,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-07 02:26:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:51,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:51,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-06-07 02:26:51,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:51,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:52,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:52,005 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:52,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:52,005 INFO L82 PathProgramCache]: Analyzing trace with hash -402423426, now seen corresponding path program 4 times [2021-06-07 02:26:52,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:52,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337811396] [2021-06-07 02:26:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:52,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:52,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337811396] [2021-06-07 02:26:52,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337811396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:52,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588370445] [2021-06-07 02:26:52,046 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 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 [2021-06-07 02:26:52,086 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:26:52,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:52,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 02:26:52,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:52,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588370445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:52,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:52,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-07 02:26:52,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107050083] [2021-06-07 02:26:52,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:26:52,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:52,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:26:52,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:26:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:52,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:52,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 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) [2021-06-07 02:26:52,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:52,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:52,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:52,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:52,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:52,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:52,409 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:52,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:52,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2026056606, now seen corresponding path program 5 times [2021-06-07 02:26:52,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:52,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303230889] [2021-06-07 02:26:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:52,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:52,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303230889] [2021-06-07 02:26:52,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303230889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:52,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873643584] [2021-06-07 02:26:52,486 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 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 [2021-06-07 02:26:52,513 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 02:26:52,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:52,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 02:26:52,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:52,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873643584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:52,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:52,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-06-07 02:26:52,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589747492] [2021-06-07 02:26:52,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:26:52,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:52,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:26:52,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:26:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:52,581 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:52,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 14 states have internal predecessors, (28), 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) [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:52,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:52,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:52,905 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:52,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:52,905 INFO L82 PathProgramCache]: Analyzing trace with hash -36805293, now seen corresponding path program 6 times [2021-06-07 02:26:52,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:52,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824952760] [2021-06-07 02:26:52,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:52,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:52,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824952760] [2021-06-07 02:26:52,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824952760] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:52,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413330275] [2021-06-07 02:26:52,966 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 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 [2021-06-07 02:26:53,000 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 02:26:53,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:53,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-07 02:26:53,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:53,202 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:53,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-07 02:26:53,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:26:53,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:53,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:26:53,457 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-07 02:26:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:53,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413330275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:53,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:53,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-07 02:26:53,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777971941] [2021-06-07 02:26:53,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 02:26:53,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:53,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 02:26:53,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-07 02:26:53,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:53,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:53,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:53,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-07 02:26:53,731 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:53,732 INFO L82 PathProgramCache]: Analyzing trace with hash -653311117, now seen corresponding path program 7 times [2021-06-07 02:26:53,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:53,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801651552] [2021-06-07 02:26:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:53,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:53,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801651552] [2021-06-07 02:26:53,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801651552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:53,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390173484] [2021-06-07 02:26:53,828 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:53,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 02:26:53,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:53,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390173484] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:53,922 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:53,922 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-07 02:26:53,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189157835] [2021-06-07 02:26:53,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 02:26:53,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:53,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 02:26:53,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-07 02:26:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:53,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:53,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 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) [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:54,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:54,269 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:54,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1492826082, now seen corresponding path program 8 times [2021-06-07 02:26:54,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:54,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720275951] [2021-06-07 02:26:54,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 02:26:54,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:54,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720275951] [2021-06-07 02:26:54,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720275951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:54,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869519938] [2021-06-07 02:26:54,344 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:54,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:26:54,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:54,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 02:26:54,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 02:26:54,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869519938] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:54,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:54,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-06-07 02:26:54,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587486765] [2021-06-07 02:26:54,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 02:26:54,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:54,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 02:26:54,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-07 02:26:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:54,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:54,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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) [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:54,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:54,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:54,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:54,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-07 02:26:54,773 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:54,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:54,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1249436098, now seen corresponding path program 9 times [2021-06-07 02:26:54,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:54,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515885917] [2021-06-07 02:26:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:54,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:54,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515885917] [2021-06-07 02:26:54,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515885917] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:54,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334079627] [2021-06-07 02:26:54,836 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:54,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 02:26:54,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:54,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-07 02:26:54,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:55,197 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 02:26:55,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:55,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-07 02:26:56,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:26:56,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:56,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:26:56,157 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-07 02:26:56,163 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:56,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334079627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:56,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-06-07 02:26:56,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439174451] [2021-06-07 02:26:56,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 02:26:56,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:56,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 02:26:56,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-06-07 02:26:56,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:56,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:56,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-07 02:26:56,457 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:56,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:56,457 INFO L82 PathProgramCache]: Analyzing trace with hash -324740546, now seen corresponding path program 10 times [2021-06-07 02:26:56,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:56,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210549057] [2021-06-07 02:26:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:56,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:56,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210549057] [2021-06-07 02:26:56,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210549057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360939073] [2021-06-07 02:26:56,578 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:56,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:26:56,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:56,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 02:26:56,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:56,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360939073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:56,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-07 02:26:56,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036603395] [2021-06-07 02:26:56,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 02:26:56,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:56,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 02:26:56,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-07 02:26:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:56,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:26:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:26:57,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-07 02:26:57,077 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:57,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:57,077 INFO L82 PathProgramCache]: Analyzing trace with hash 102927027, now seen corresponding path program 11 times [2021-06-07 02:26:57,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:57,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059487583] [2021-06-07 02:26:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:57,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:57,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059487583] [2021-06-07 02:26:57,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059487583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:57,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068499509] [2021-06-07 02:26:57,168 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 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 [2021-06-07 02:26:57,201 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 02:26:57,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:57,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-07 02:26:57,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:57,644 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-07 02:26:57,645 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:57,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-07 02:26:58,423 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 227 [2021-06-07 02:26:58,530 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-06-07 02:26:58,642 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-06-07 02:26:58,774 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-06-07 02:26:59,005 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-06-07 02:26:59,120 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-06-07 02:26:59,233 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 217 [2021-06-07 02:27:00,375 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 213 [2021-06-07 02:27:00,569 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-06-07 02:27:01,402 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-06-07 02:27:01,828 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-06-07 02:27:02,313 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-06-07 02:27:02,462 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-06-07 02:27:04,727 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 202 [2021-06-07 02:27:04,957 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-06-07 02:27:05,240 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-06-07 02:27:05,596 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-06-07 02:27:06,041 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-06-07 02:27:07,191 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-06-07 02:27:08,386 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-06-07 02:27:09,566 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-06-07 02:27:10,880 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-06-07 02:27:12,440 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-06-07 02:27:12,912 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-06-07 02:27:13,084 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-06-07 02:27:13,627 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-06-07 02:27:13,765 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-06-07 02:27:14,321 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-06-07 02:27:14,476 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-06-07 02:27:14,710 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-06-07 02:27:15,459 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-06-07 02:27:16,008 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-06-07 02:27:16,434 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-06-07 02:27:16,963 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-06-07 02:27:17,289 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-06-07 02:27:17,698 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 236 [2021-06-07 02:27:17,846 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-06-07 02:27:18,129 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-06-07 02:27:18,478 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-06-07 02:27:19,087 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-06-07 02:27:19,694 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-06-07 02:27:20,388 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-06-07 02:27:20,684 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-06-07 02:27:21,125 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-06-07 02:27:21,423 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-06-07 02:27:21,804 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-06-07 02:27:22,020 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-06-07 02:27:22,272 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-06-07 02:27:22,530 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-06-07 02:27:22,923 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-06-07 02:27:23,316 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-06-07 02:27:23,735 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-06-07 02:27:23,982 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-06-07 02:27:24,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:27:24,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:27:24,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:27:24,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-07 02:27:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:27:24,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068499509] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:24,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:27:24,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-07 02:27:24,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138739932] [2021-06-07 02:27:24,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-07 02:27:24,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:27:24,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-07 02:27:24,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-07 02:27:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:24,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:27:24,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 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) [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:27:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:27:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:24,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-06-07 02:27:24,925 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:27:24,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:27:24,925 INFO L82 PathProgramCache]: Analyzing trace with hash -212119885, now seen corresponding path program 12 times [2021-06-07 02:27:24,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:27:24,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069043400] [2021-06-07 02:27:24,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:27:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:27:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:27:25,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:27:25,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069043400] [2021-06-07 02:27:25,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069043400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:25,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438728487] [2021-06-07 02:27:25,070 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 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 [2021-06-07 02:27:25,100 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 02:27:25,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:27:25,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 02:27:25,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:27:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:27:25,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438728487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:25,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:27:25,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-07 02:27:25,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616978545] [2021-06-07 02:27:25,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 02:27:25,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:27:25,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 02:27:25,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-06-07 02:27:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:25,177 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:27:25,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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) [2021-06-07 02:27:25,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:27:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:27:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 02:27:25,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:27:25,630 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:27:25,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:27:25,631 INFO L82 PathProgramCache]: Analyzing trace with hash -700799778, now seen corresponding path program 13 times [2021-06-07 02:27:25,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:27:25,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958587928] [2021-06-07 02:27:25,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:27:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:27:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:27:25,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:27:25,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958587928] [2021-06-07 02:27:25,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958587928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:25,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367763411] [2021-06-07 02:27:25,736 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 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 [2021-06-07 02:27:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:27:25,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-07 02:27:25,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:27:26,454 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-07 02:27:26,454 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:27:26,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-07 02:27:27,299 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-06-07 02:27:27,435 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-06-07 02:27:28,155 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-06-07 02:27:28,282 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-06-07 02:27:28,583 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-06-07 02:27:28,947 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-06-07 02:27:29,695 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-06-07 02:27:29,811 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-06-07 02:27:30,530 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-06-07 02:27:30,637 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-06-07 02:27:30,898 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-06-07 02:27:31,206 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-06-07 02:27:32,013 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-06-07 02:27:32,900 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-06-07 02:27:33,939 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-06-07 02:27:35,136 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-06-07 02:27:36,328 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-06-07 02:27:37,752 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-06-07 02:27:39,587 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-06-07 02:27:40,423 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-06-07 02:27:40,995 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-06-07 02:27:41,752 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-06-07 02:27:42,379 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-06-07 02:27:42,700 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-06-07 02:27:42,810 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-06-07 02:27:43,555 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-06-07 02:27:44,324 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-06-07 02:27:44,712 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-06-07 02:27:45,203 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-06-07 02:27:45,416 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-06-07 02:27:46,111 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-06-07 02:27:46,364 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-06-07 02:27:46,591 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-06-07 02:27:47,343 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-06-07 02:27:47,650 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-06-07 02:27:48,163 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-06-07 02:27:49,017 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-06-07 02:27:49,200 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-06-07 02:27:49,337 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-06-07 02:27:49,950 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-06-07 02:27:50,119 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-06-07 02:27:50,314 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-06-07 02:27:50,563 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-06-07 02:27:51,073 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-06-07 02:27:52,079 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-06-07 02:27:53,775 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-06-07 02:27:54,661 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-06-07 02:27:55,027 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-06-07 02:27:55,270 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-06-07 02:27:56,312 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-06-07 02:27:56,449 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-06-07 02:27:57,025 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-06-07 02:27:57,311 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-06-07 02:27:57,645 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-06-07 02:27:58,459 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-06-07 02:27:58,624 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-06-07 02:27:58,832 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-06-07 02:27:59,448 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-06-07 02:28:00,815 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-06-07 02:28:01,060 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-06-07 02:28:01,456 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-06-07 02:28:02,456 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-06-07 02:28:03,836 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-06-07 02:28:04,101 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-07 02:28:04,981 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-06-07 02:28:05,152 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-06-07 02:28:05,796 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-06-07 02:28:06,107 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-06-07 02:28:07,195 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-06-07 02:28:07,423 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-06-07 02:28:07,977 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-06-07 02:28:10,076 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-06-07 02:28:10,362 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-06-07 02:28:10,560 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-06-07 02:28:11,275 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-06-07 02:28:11,426 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-06-07 02:28:12,268 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-06-07 02:28:12,427 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-06-07 02:28:12,790 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-06-07 02:28:12,925 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-06-07 02:28:14,148 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-06-07 02:28:14,394 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-06-07 02:28:14,686 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-06-07 02:28:15,251 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-06-07 02:28:15,381 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-06-07 02:28:16,146 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-06-07 02:28:16,829 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-06-07 02:28:17,805 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-06-07 02:28:17,989 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-06-07 02:28:18,444 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-06-07 02:28:19,053 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-06-07 02:28:20,418 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-06-07 02:28:24,150 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-06-07 02:28:28,585 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-06-07 02:28:35,410 WARN L205 SmtUtils]: Spent 6.81 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-06-07 02:28:43,354 WARN L205 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-06-07 02:28:52,413 WARN L205 SmtUtils]: Spent 9.04 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-06-07 02:28:53,044 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-06-07 02:28:53,837 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-06-07 02:28:54,482 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-06-07 02:28:56,149 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-06-07 02:28:56,344 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-06-07 02:28:56,695 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-06-07 02:28:56,929 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-06-07 02:28:58,094 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-06-07 02:28:58,698 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-06-07 02:28:58,926 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-06-07 02:28:59,210 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-06-07 02:28:59,636 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-06-07 02:29:00,563 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-06-07 02:29:01,543 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-06-07 02:29:02,408 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-06-07 02:29:02,591 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-06-07 02:29:02,741 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-06-07 02:29:03,529 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-06-07 02:29:04,262 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-06-07 02:29:05,152 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-06-07 02:29:05,315 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-06-07 02:29:06,058 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-06-07 02:29:06,676 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-06-07 02:29:07,373 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2021-06-07 02:29:07,989 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-06-07 02:29:09,751 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-06-07 02:29:09,866 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-06-07 02:29:10,054 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-06-07 02:29:10,374 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-06-07 02:29:10,798 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-06-07 02:29:11,512 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-06-07 02:29:12,916 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-06-07 02:29:14,372 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-06-07 02:29:16,156 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-06-07 02:29:18,337 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-06-07 02:29:18,905 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-06-07 02:29:19,185 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-06-07 02:29:19,535 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-06-07 02:29:20,402 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-06-07 02:29:21,238 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-06-07 02:29:21,615 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-06-07 02:29:23,066 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-06-07 02:29:23,395 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-06-07 02:29:23,739 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-06-07 02:29:24,450 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-06-07 02:29:24,847 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-06-07 02:29:25,729 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-06-07 02:29:25,892 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-06-07 02:29:26,550 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-06-07 02:29:26,956 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-06-07 02:29:27,677 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-07 02:29:28,313 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-06-07 02:29:28,588 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-06-07 02:29:28,985 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-06-07 02:29:29,735 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-06-07 02:29:31,053 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-06-07 02:29:32,634 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-06-07 02:29:36,883 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-06-07 02:29:42,696 WARN L205 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-06-07 02:29:49,481 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-06-07 02:29:57,375 WARN L205 SmtUtils]: Spent 7.88 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-06-07 02:30:15,332 WARN L205 SmtUtils]: Spent 17.94 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-06-07 02:30:37,057 WARN L205 SmtUtils]: Spent 21.69 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-06-07 02:30:58,776 WARN L205 SmtUtils]: Spent 21.69 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-06-07 02:31:23,283 WARN L205 SmtUtils]: Spent 24.48 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-06-07 02:31:24,054 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-06-07 02:31:51,071 WARN L205 SmtUtils]: Spent 26.99 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-06-07 02:32:00,786 WARN L205 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-06-07 02:32:22,796 WARN L205 SmtUtils]: Spent 21.98 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-06-07 02:32:37,180 WARN L205 SmtUtils]: Spent 14.35 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-06-07 02:32:46,936 WARN L205 SmtUtils]: Spent 9.74 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-06-07 02:33:04,115 WARN L205 SmtUtils]: Spent 17.16 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-06-07 02:33:04,998 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-06-07 02:33:05,270 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-06-07 02:33:05,733 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-06-07 02:33:06,009 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-06-07 02:33:06,142 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-06-07 02:33:06,276 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-06-07 02:33:06,410 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-06-07 02:33:07,796 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-06-07 02:33:08,374 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-06-07 02:33:09,436 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-06-07 02:33:09,630 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-06-07 02:33:09,968 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-06-07 02:33:10,413 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-06-07 02:33:10,791 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-06-07 02:33:11,231 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-06-07 02:33:11,444 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-06-07 02:33:11,753 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-06-07 02:33:12,031 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-06-07 02:33:12,472 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-06-07 02:33:13,007 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-06-07 02:33:13,917 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-06-07 02:33:14,849 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-06-07 02:33:15,116 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-06-07 02:33:16,867 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-06-07 02:33:18,217 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-06-07 02:33:19,269 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-06-07 02:33:19,758 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-06-07 02:33:20,694 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-06-07 02:33:21,814 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-06-07 02:33:22,911 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-06-07 02:33:23,166 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-06-07 02:33:24,781 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-06-07 02:33:26,653 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-06-07 02:33:32,338 WARN L205 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-06-07 02:33:33,051 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-06-07 02:33:33,399 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-06-07 02:33:34,289 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-06-07 02:33:34,557 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-06-07 02:33:35,265 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-06-07 02:33:35,552 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-06-07 02:33:35,875 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-06-07 02:33:42,541 WARN L205 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-06-07 02:33:50,629 WARN L205 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-06-07 02:34:00,903 WARN L205 SmtUtils]: Spent 10.25 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-06-07 02:34:12,299 WARN L205 SmtUtils]: Spent 11.37 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-06-07 02:34:26,006 WARN L205 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-06-07 02:34:39,693 WARN L205 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-06-07 02:34:55,800 WARN L205 SmtUtils]: Spent 16.06 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-06-07 02:35:08,695 WARN L205 SmtUtils]: Spent 12.87 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-06-07 02:35:14,573 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-06-07 02:35:19,302 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-06-07 02:35:23,496 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-06-07 02:35:23,698 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-06-07 02:35:23,872 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-06-07 02:35:24,056 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-06-07 02:35:25,095 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-06-07 02:35:25,251 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-06-07 02:35:25,546 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-06-07 02:35:25,722 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-06-07 02:35:26,527 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-06-07 02:35:26,738 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-06-07 02:35:27,008 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-06-07 02:35:27,194 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-06-07 02:35:28,213 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-06-07 02:35:28,934 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-06-07 02:35:29,936 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-06-07 02:35:30,520 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-06-07 02:35:30,811 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-06-07 02:35:31,195 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-06-07 02:35:31,304 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-06-07 02:35:31,889 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-06-07 02:35:32,590 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-06-07 02:35:32,727 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-06-07 02:35:33,368 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-06-07 02:35:34,112 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-06-07 02:35:35,184 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-06-07 02:35:36,382 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-06-07 02:35:37,799 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-06-07 02:35:37,987 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-06-07 02:35:38,188 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-07 02:35:38,473 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-06-07 02:35:39,183 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-06-07 02:35:39,332 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-06-07 02:35:40,954 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-06-07 02:35:42,990 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-06-07 02:35:46,002 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-06-07 02:35:49,886 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-06-07 02:35:54,768 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-06-07 02:36:00,282 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-06-07 02:36:05,791 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-06-07 02:36:11,846 WARN L205 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-06-07 02:36:12,083 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-06-07 02:36:12,565 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-06-07 02:36:12,800 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-06-07 02:36:17,320 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-06-07 02:36:17,593 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-06-07 02:36:19,443 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-06-07 02:36:19,948 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-06-07 02:36:20,124 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-06-07 02:36:20,587 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-06-07 02:36:21,617 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-06-07 02:36:21,782 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-06-07 02:36:22,366 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-06-07 02:36:22,859 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 198 [2021-06-07 02:36:23,041 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-06-07 02:36:23,283 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-06-07 02:36:23,450 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-06-07 02:36:24,755 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-06-07 02:36:25,291 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-06-07 02:36:25,770 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-06-07 02:36:26,412 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-06-07 02:36:26,559 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-06-07 02:36:26,868 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-06-07 02:36:27,502 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-06-07 02:36:27,632 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-06-07 02:36:28,032 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-06-07 02:36:28,332 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-06-07 02:36:28,870 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-06-07 02:36:29,154 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-06-07 02:36:29,296 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-06-07 02:36:30,028 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-06-07 02:36:30,171 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-06-07 02:36:31,452 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-06-07 02:36:32,349 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-06-07 02:36:33,247 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-06-07 02:36:34,183 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-06-07 02:36:34,496 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-06-07 02:36:35,031 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-06-07 02:36:35,330 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-06-07 02:36:35,694 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-06-07 02:36:36,048 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-06-07 02:36:36,434 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-06-07 02:36:36,715 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-06-07 02:36:36,851 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-06-07 02:36:37,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:36:37,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:36:37,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:36:37,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-07 02:36:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:36:37,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367763411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:36:37,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:36:37,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-06-07 02:36:37,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257330001] [2021-06-07 02:36:37,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 02:36:37,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:36:37,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 02:36:37,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 02:36:37,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:36:37,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:36:37,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 32 states have internal predecessors, (48), 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) [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:36:37,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:36:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 02:36:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:36:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:36:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 02:36:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:36:38,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-06-07 02:36:38,028 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:36:38,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:36:38,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1759813410, now seen corresponding path program 14 times [2021-06-07 02:36:38,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:36:38,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546615626] [2021-06-07 02:36:38,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:36:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:36:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:36:38,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:36:38,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546615626] [2021-06-07 02:36:38,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546615626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:36:38,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506598972] [2021-06-07 02:36:38,200 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 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 [2021-06-07 02:36:38,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:36:38,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:36:38,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-07 02:36:38,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:36:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:36:38,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506598972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:36:38,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:36:38,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-06-07 02:36:38,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858130432] [2021-06-07 02:36:38,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-07 02:36:38,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:36:38,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-07 02:36:38,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-06-07 02:36:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:36:38,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:36:38,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 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) [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 02:36:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:36:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:36:38,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-06-07 02:36:38,817 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:36:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:36:38,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1434658797, now seen corresponding path program 15 times [2021-06-07 02:36:38,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:36:38,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611782606] [2021-06-07 02:36:38,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:36:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:36:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:36:38,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:36:38,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611782606] [2021-06-07 02:36:38,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611782606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:36:38,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083322008] [2021-06-07 02:36:38,941 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:36:38,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-07 02:36:38,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:36:38,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-07 02:36:38,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:36:39,989 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-07 02:36:39,990 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:36:39,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-06-07 02:36:41,057 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-06-07 02:36:41,255 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-06-07 02:36:41,488 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-06-07 02:36:42,806 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-06-07 02:36:43,087 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-06-07 02:36:43,705 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-06-07 02:36:44,462 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-06-07 02:36:45,390 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-06-07 02:36:46,550 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-06-07 02:36:47,906 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-06-07 02:36:48,991 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 218 [2021-06-07 02:36:49,107 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-06-07 02:36:49,253 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-06-07 02:36:49,429 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-06-07 02:36:49,633 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-06-07 02:36:49,867 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-06-07 02:36:51,691 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-06-07 02:36:53,079 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-06-07 02:36:54,153 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 324 [2021-06-07 02:36:54,353 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-06-07 02:36:54,864 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-06-07 02:36:55,529 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-06-07 02:36:56,368 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-06-07 02:36:57,414 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-06-07 02:36:58,774 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-06-07 02:37:00,202 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-06-07 02:37:00,399 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-06-07 02:37:00,664 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-06-07 02:37:00,963 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-06-07 02:37:01,312 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-06-07 02:37:03,414 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-06-07 02:37:05,653 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-06-07 02:37:10,125 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-06-07 02:37:15,221 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-06-07 02:37:20,796 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-06-07 02:37:26,977 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-06-07 02:37:33,898 WARN L205 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-06-07 02:37:35,099 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-06-07 02:37:35,239 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-06-07 02:37:35,411 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-06-07 02:37:35,604 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-06-07 02:37:36,963 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-06-07 02:37:38,036 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-06-07 02:37:38,230 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-06-07 02:37:38,744 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-06-07 02:37:39,373 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-06-07 02:37:40,163 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-06-07 02:37:41,125 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-06-07 02:37:42,316 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-06-07 02:37:43,913 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-06-07 02:37:45,732 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-06-07 02:37:46,746 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-06-07 02:37:46,951 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-06-07 02:37:47,187 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-06-07 02:37:48,306 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-06-07 02:37:48,517 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-06-07 02:37:48,805 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-06-07 02:37:49,367 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-06-07 02:37:50,065 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-06-07 02:37:50,889 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-06-07 02:37:51,853 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-06-07 02:37:52,973 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-06-07 02:37:55,004 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-06-07 02:37:58,385 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-06-07 02:38:02,274 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-06-07 02:38:06,390 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-06-07 02:38:11,042 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-06-07 02:38:23,943 WARN L205 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-06-07 02:38:38,176 WARN L205 SmtUtils]: Spent 14.21 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-06-07 02:38:52,420 WARN L205 SmtUtils]: Spent 14.22 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-06-07 02:39:08,709 WARN L205 SmtUtils]: Spent 16.27 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-06-07 02:39:36,092 WARN L205 SmtUtils]: Spent 27.35 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-06-07 02:40:08,177 WARN L205 SmtUtils]: Spent 32.05 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-06-07 02:40:08,664 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-06-07 02:40:10,024 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-06-07 02:40:10,279 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-06-07 02:40:10,907 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-07 02:40:11,032 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-06-07 02:40:11,609 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-06-07 02:40:11,726 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-07 02:40:11,990 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-06-07 02:40:12,306 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-06-07 02:40:12,974 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-06-07 02:40:13,646 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-06-07 02:40:14,328 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-06-07 02:40:14,575 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-06-07 02:40:15,821 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-06-07 02:40:16,340 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-06-07 02:40:16,968 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-06-07 02:40:18,245 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-06-07 02:40:18,845 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-06-07 02:40:19,542 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-06-07 02:40:20,606 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-06-07 02:40:21,069 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-06-07 02:40:21,623 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-06-07 02:40:22,274 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-06-07 02:40:22,796 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-06-07 02:40:23,054 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-06-07 02:40:23,351 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-06-07 02:40:24,438 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-06-07 02:40:24,633 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-06-07 02:40:25,229 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-06-07 02:40:26,391 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-06-07 02:40:29,124 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-06-07 02:40:32,193 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 [2021-06-07 02:41:02,892 WARN L205 SmtUtils]: Spent 30.67 s on a formula simplification. DAG size of input: 4246 DAG size of output: 4857 [2021-06-07 02:41:09,572 WARN L205 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 3461 DAG size of output: 3493 [2021-06-07 02:41:09,965 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 3454 [2021-06-07 02:41:10,165 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-06-07 02:41:11,095 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 307 [2021-06-07 02:41:11,222 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 312 [2021-06-07 02:41:11,376 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 349 [2021-06-07 02:41:11,651 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 369 [2021-06-07 02:41:12,112 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 314 [2021-06-07 02:41:12,225 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 337 [2021-06-07 02:41:12,371 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 348 [2021-06-07 02:41:12,541 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 358 [2021-06-07 02:41:12,738 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 388 [2021-06-07 02:41:13,537 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 411 [2021-06-07 02:41:14,259 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 606 [2021-06-07 02:41:15,180 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 308 [2021-06-07 02:41:15,297 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 312 [2021-06-07 02:41:15,441 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 317 [2021-06-07 02:41:15,624 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 342 [2021-06-07 02:41:15,914 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 362 [2021-06-07 02:41:16,924 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 310 [2021-06-07 02:41:17,038 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 334 [2021-06-07 02:41:17,156 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 340 [2021-06-07 02:41:17,312 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 345 [2021-06-07 02:41:17,493 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 356 [2021-06-07 02:41:17,709 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 372 [2021-06-07 02:41:18,068 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 391 [2021-06-07 02:41:18,842 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 588 [2021-06-07 02:41:20,553 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1166 DAG size of output: 1021 [2021-06-07 02:41:20,749 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 2061 [2021-06-07 02:41:21,315 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 2038 DAG size of output: 2038 [2021-06-07 02:41:21,677 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 2015 DAG size of output: 2015 [2021-06-07 02:41:22,534 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 319 [2021-06-07 02:41:23,125 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 305 [2021-06-07 02:41:23,432 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 333 [2021-06-07 02:41:24,332 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 342 [2021-06-07 02:41:24,970 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 326 [2021-06-07 02:41:25,299 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 356 [2021-06-07 02:41:25,685 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 396 [2021-06-07 02:41:26,524 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 585 [2021-06-07 02:41:27,525 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 595 Received shutdown request... [2021-06-07 02:41:33,037 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 1987 DAG size of output: 2454 [2021-06-07 02:41:33,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11577 [2021-06-07 02:41:33,246 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-07 02:41:33,251 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 02:41:33,252 WARN L196 ceAbstractionStarter]: Timeout [2021-06-07 02:41:33,252 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 02:41:33 BasicIcfg [2021-06-07 02:41:33,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 02:41:33,253 INFO L168 Benchmark]: Toolchain (without parser) took 883424.06 ms. Allocated memory was 341.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 320.9 MB in the beginning and 968.0 MB in the end (delta: -647.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-06-07 02:41:33,253 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 341.8 MB. Free memory is still 322.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 02:41:33,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.04 ms. Allocated memory is still 341.8 MB. Free memory was 320.8 MB in the beginning and 319.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 02:41:33,253 INFO L168 Benchmark]: Boogie Preprocessor took 9.72 ms. Allocated memory is still 341.8 MB. Free memory was 319.4 MB in the beginning and 318.4 MB in the end (delta: 920.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 02:41:33,253 INFO L168 Benchmark]: RCFGBuilder took 198.97 ms. Allocated memory is still 341.8 MB. Free memory was 318.4 MB in the beginning and 304.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-07 02:41:33,253 INFO L168 Benchmark]: TraceAbstraction took 883193.10 ms. Allocated memory was 341.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 304.0 MB in the beginning and 968.0 MB in the end (delta: -664.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-06-07 02:41:33,253 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 0.12 ms. Allocated memory is still 341.8 MB. Free memory is still 322.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.04 ms. Allocated memory is still 341.8 MB. Free memory was 320.8 MB in the beginning and 319.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.72 ms. Allocated memory is still 341.8 MB. Free memory was 319.4 MB in the beginning and 318.4 MB in the end (delta: 920.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 198.97 ms. Allocated memory is still 341.8 MB. Free memory was 318.4 MB in the beginning and 304.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 883193.10 ms. Allocated memory was 341.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 304.0 MB in the beginning and 968.0 MB in the end (delta: -664.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1078, positive: 696, positive conditional: 696, positive unconditional: 0, negative: 382, negative conditional: 382, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 696, positive: 696, positive conditional: 696, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 696, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 696, positive: 688, positive conditional: 0, positive unconditional: 688, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 382 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 883115.3ms, OverallIterations: 17, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.4ms, PartialOrderReductionTime: 1655.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 175, 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: 80.0ms SsaConstructionTime, 241.8ms SatisfiabilityAnalysisTime, 583023.7ms InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 3972 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1135 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 468/1290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown