/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 14:39:42,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 14:39:42,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 14:39:42,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 14:39:42,418 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-Lockstep.epf [2021-06-07 14:39:42,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 14:39:42,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 14:39:42,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 14:39:42,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 14:39:42,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 14:39:42,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 14:39:42,456 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 14:39:42,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 14:39:42,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 14:39:42,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 14:39:42,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 14:39:42,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 14:39:42,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 14:39:42,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 14:39:42,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 14:39:42,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 14:39:42,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 14:39:42,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 14:39:42,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 14:39:42,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 14:39:42,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 14:39:42,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 14:39:42,460 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 14:39:42,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 14:39:42,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 14:39:42,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 14:39:42,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 14:39:42,461 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 14:39:42,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 14:39:42,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 14:39:42,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 14:39:42,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 14:39:42,807 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 14:39:42,812 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 14:39:42,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-06-07 14:39:42,824 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-06-07 14:39:42,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 14:39:42,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 14:39:42,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 14:39:42,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 14:39:42,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 14:39:42,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 14:39:42,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 14:39:42,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 14:39:42,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 14:39:42,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/1) ... [2021-06-07 14:39:42,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 14:39:42,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 14:39:42,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 14:39:42,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 14:39:42,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (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 14:39:42,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 14:39:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 14:39:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 14:39:42,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 14:39:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 14:39:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 14:39:42,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 14:39:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 14:39:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 14:39:42,981 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 14:39:43,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 14:39:43,193 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-07 14:39:43,194 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 14:39:43,195 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:39:43 BoogieIcfgContainer [2021-06-07 14:39:43,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 14:39:43,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 14:39:43,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 14:39:43,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 14:39:43,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:39:42" (1/2) ... [2021-06-07 14:39:43,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8dd5a7b and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:39:43, skipping insertion in model container [2021-06-07 14:39:43,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:39:43" (2/2) ... [2021-06-07 14:39:43,202 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-06-07 14:39:43,222 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 14:39:43,223 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 14:39:43,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 14:39:43,223 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 14:39:43,276 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 14:39:43,313 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 14:39:43,351 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 14:39:43,351 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 14:39:43,351 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 14:39:43,351 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 14:39:43,351 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 14:39:43,351 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 14:39:43,351 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 14:39:43,352 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 14:39:43,377 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:43,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:43,381 INFO L82 PathProgramCache]: Analyzing trace with hash -175760793, now seen corresponding path program 1 times [2021-06-07 14:39:43,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:43,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230981231] [2021-06-07 14:39:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:43,528 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 14:39:43,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:43,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230981231] [2021-06-07 14:39:43,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230981231] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:39:43,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 14:39:43,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 14:39:43,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242651337] [2021-06-07 14:39:43,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 14:39:43,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:43,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 14:39:43,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-07 14:39:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:43,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:43,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 14:39:43,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:43,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 14:39:43,573 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:43,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1189650955, now seen corresponding path program 1 times [2021-06-07 14:39:43,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:43,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845988434] [2021-06-07 14:39:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:43,631 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 14:39:43,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:43,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845988434] [2021-06-07 14:39:43,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845988434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:43,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553090090] [2021-06-07 14:39:43,633 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 14:39:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:43,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 14:39:43,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:43,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 14:39:43,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:43,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:43,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 14:39:43,886 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-07 14:39:43,906 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 14:39:43,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553090090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:43,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:43,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-07 14:39:43,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092855950] [2021-06-07 14:39:43,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 14:39:43,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:43,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 14:39:43,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-07 14:39:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:43,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:43,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:39:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:43,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:44,221 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:44,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:44,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1739492391, now seen corresponding path program 2 times [2021-06-07 14:39:44,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:44,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701849870] [2021-06-07 14:39:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:44,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:44,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701849870] [2021-06-07 14:39:44,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701849870] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:39:44,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 14:39:44,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 14:39:44,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634175429] [2021-06-07 14:39:44,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 14:39:44,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:44,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 14:39:44,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-07 14:39:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:44,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 14:39:44,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:44,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 14:39:44,332 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:44,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:44,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1107331378, now seen corresponding path program 1 times [2021-06-07 14:39:44,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:44,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561925944] [2021-06-07 14:39:44,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:44,380 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 14:39:44,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:44,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561925944] [2021-06-07 14:39:44,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561925944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:44,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265903289] [2021-06-07 14:39:44,382 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 14:39:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:44,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-07 14:39:44,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:44,461 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 14:39:44,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265903289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:44,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:44,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-07 14:39:44,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788032688] [2021-06-07 14:39:44,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 14:39:44,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:44,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 14:39:44,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-07 14:39:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:44,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:39:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:44,732 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:44,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:44,733 INFO L82 PathProgramCache]: Analyzing trace with hash -3568018, now seen corresponding path program 1 times [2021-06-07 14:39:44,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:44,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989800109] [2021-06-07 14:39:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:44,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:44,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989800109] [2021-06-07 14:39:44,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989800109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:44,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869135262] [2021-06-07 14:39:44,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:39:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:44,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 14:39:44,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:44,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869135262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:44,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:44,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-07 14:39:44,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915816468] [2021-06-07 14:39:44,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 14:39:44,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:44,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 14:39:44,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-07 14:39:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:44,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 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 14:39:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:45,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:45,137 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:45,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:45,137 INFO L82 PathProgramCache]: Analyzing trace with hash -146642226, now seen corresponding path program 2 times [2021-06-07 14:39:45,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:45,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327366335] [2021-06-07 14:39:45,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:45,262 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 14:39:45,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:45,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327366335] [2021-06-07 14:39:45,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327366335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:45,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203211587] [2021-06-07 14:39:45,265 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 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 14:39:45,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:39:45,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:45,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 14:39:45,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:45,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:45,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 37 [2021-06-07 14:39:45,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-07 14:39:45,513 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:45,513 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 14:39:45,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:45,541 INFO L628 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2021-06-07 14:39:45,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 14:39:45,542 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:15 [2021-06-07 14:39:45,579 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 14:39:45,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203211587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:45,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:45,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-07 14:39:45,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389287195] [2021-06-07 14:39:45,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 14:39:45,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:45,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 14:39:45,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-07 14:39:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:45,581 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:45,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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 14:39:45,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:45,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:45,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:45,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:45,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:45,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 14:39:46,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-07 14:39:46,101 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:46,102 INFO L82 PathProgramCache]: Analyzing trace with hash -286975378, now seen corresponding path program 3 times [2021-06-07 14:39:46,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:46,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619571111] [2021-06-07 14:39:46,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:46,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:46,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619571111] [2021-06-07 14:39:46,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619571111] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:46,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529000011] [2021-06-07 14:39:46,196 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 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 14:39:46,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 14:39:46,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:46,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-07 14:39:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:46,394 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:46,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-07 14:39:46,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:46,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:46,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 14:39:46,414 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-07 14:39:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:46,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529000011] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:46,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:46,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-07 14:39:46,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652300718] [2021-06-07 14:39:46,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 14:39:46,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:46,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 14:39:46,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-07 14:39:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:46,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:46,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 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 14:39:46,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:46,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:46,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:46,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 14:39:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:46,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 14:39:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:47,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:47,013 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:47,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:47,013 INFO L82 PathProgramCache]: Analyzing trace with hash -342335794, now seen corresponding path program 4 times [2021-06-07 14:39:47,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:47,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195072084] [2021-06-07 14:39:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:47,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:47,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195072084] [2021-06-07 14:39:47,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195072084] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:47,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665315264] [2021-06-07 14:39:47,062 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 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 14:39:47,086 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 14:39:47,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:47,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 14:39:47,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:47,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665315264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:47,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:47,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-07 14:39:47,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990636617] [2021-06-07 14:39:47,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 14:39:47,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:47,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 14:39:47,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-07 14:39:47,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:47,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:47,130 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 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:47,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:47,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-07 14:39:47,480 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:47,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:47,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1512726791, now seen corresponding path program 5 times [2021-06-07 14:39:47,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:47,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351645273] [2021-06-07 14:39:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:47,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:47,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351645273] [2021-06-07 14:39:47,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351645273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:47,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876632242] [2021-06-07 14:39:47,520 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 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 14:39:47,565 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:39:47,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:47,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 14:39:47,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:47,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876632242] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:47,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:47,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-07 14:39:47,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631052887] [2021-06-07 14:39:47,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 14:39:47,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:47,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 14:39:47,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-07 14:39:47,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:47,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:47,615 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 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:47,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:47,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:47,869 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:47,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:47,869 INFO L82 PathProgramCache]: Analyzing trace with hash -386143403, now seen corresponding path program 6 times [2021-06-07 14:39:47,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:47,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426819942] [2021-06-07 14:39:47,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:47,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:47,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426819942] [2021-06-07 14:39:47,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426819942] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:47,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338099720] [2021-06-07 14:39:47,913 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 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 14:39:47,965 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-07 14:39:47,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:47,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 14:39:47,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:48,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338099720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:48,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:48,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-07 14:39:48,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390200775] [2021-06-07 14:39:48,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 14:39:48,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:48,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 14:39:48,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-07 14:39:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:48,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:48,015 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 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:48,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:48,283 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:48,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:48,283 INFO L82 PathProgramCache]: Analyzing trace with hash 878422727, now seen corresponding path program 7 times [2021-06-07 14:39:48,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:48,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259171821] [2021-06-07 14:39:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:48,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:48,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259171821] [2021-06-07 14:39:48,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259171821] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:48,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889635424] [2021-06-07 14:39:48,382 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 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 14:39:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:48,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-07 14:39:48,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:48,660 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:48,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 25 treesize of output 99 [2021-06-07 14:39:48,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-07 14:39:48,817 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:48,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-07 14:39:48,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:48,878 INFO L628 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2021-06-07 14:39:48,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 14:39:48,879 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:15 [2021-06-07 14:39:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:48,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889635424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:48,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:48,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-07 14:39:48,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875958980] [2021-06-07 14:39:48,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 14:39:48,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:48,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 14:39:48,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-06-07 14:39:48,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:48,916 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:48,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 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 14:39:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 14:39:49,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:49,805 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:49,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:49,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1425267093, now seen corresponding path program 8 times [2021-06-07 14:39:49,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:49,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272956560] [2021-06-07 14:39:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:49,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:49,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272956560] [2021-06-07 14:39:49,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272956560] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:49,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622699611] [2021-06-07 14:39:49,902 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 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 14:39:49,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:39:49,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:49,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-07 14:39:49,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:50,199 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:50,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-07 14:39:50,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:50,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:50,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 14:39:50,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-07 14:39:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:50,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622699611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:50,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:50,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-07 14:39:50,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442900566] [2021-06-07 14:39:50,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 14:39:50,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:50,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 14:39:50,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-06-07 14:39:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:50,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:50,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:50,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 14:39:50,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 14:39:50,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:51,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-06-07 14:39:51,157 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:51,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1197573255, now seen corresponding path program 9 times [2021-06-07 14:39:51,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:51,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26251701] [2021-06-07 14:39:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:51,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:51,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26251701] [2021-06-07 14:39:51,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26251701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:51,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773209912] [2021-06-07 14:39:51,216 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 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 14:39:51,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-07 14:39:51,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:51,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 14:39:51,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:51,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773209912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:51,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:51,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-07 14:39:51,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143387755] [2021-06-07 14:39:51,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 14:39:51,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:51,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 14:39:51,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-06-07 14:39:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:51,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:51,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 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 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:51,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:51,768 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:51,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:51,768 INFO L82 PathProgramCache]: Analyzing trace with hash 67231214, now seen corresponding path program 10 times [2021-06-07 14:39:51,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:51,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123528346] [2021-06-07 14:39:51,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:51,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:51,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:51,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123528346] [2021-06-07 14:39:51,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123528346] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:51,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59977102] [2021-06-07 14:39:51,832 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 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 14:39:51,864 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 14:39:51,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:51,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 14:39:51,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:51,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59977102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:51,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:51,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-07 14:39:51,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753096245] [2021-06-07 14:39:51,914 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 14:39:51,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:51,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 14:39:51,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-06-07 14:39:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:51,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:51,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:51,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:51,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:52,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable91 [2021-06-07 14:39:52,249 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:52,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:52,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2048133966, now seen corresponding path program 11 times [2021-06-07 14:39:52,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:52,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958970717] [2021-06-07 14:39:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:52,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:52,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958970717] [2021-06-07 14:39:52,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958970717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:52,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078583317] [2021-06-07 14:39:52,316 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 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 14:39:52,354 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 14:39:52,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:52,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 14:39:52,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:52,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078583317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:52,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:52,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-07 14:39:52,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83871836] [2021-06-07 14:39:52,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 14:39:52,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 14:39:52,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-07 14:39:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:52,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:52,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 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 14:39:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:52,726 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:52,726 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:52,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:52,726 INFO L82 PathProgramCache]: Analyzing trace with hash -968390162, now seen corresponding path program 12 times [2021-06-07 14:39:52,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:52,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581032147] [2021-06-07 14:39:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:52,859 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 14:39:52,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:52,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581032147] [2021-06-07 14:39:52,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581032147] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:52,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34103744] [2021-06-07 14:39:52,860 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 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 14:39:52,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 14:39:52,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:52,894 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-07 14:39:52,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:53,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:53,248 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 14:39:53,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:53,539 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-06-07 14:39:53,540 INFO L354 Elim1Store]: treesize reduction 24, result has 85.8 percent of original size [2021-06-07 14:39:53,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 33 treesize of output 169 [2021-06-07 14:39:53,893 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-07 14:39:53,910 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-06-07 14:39:53,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 14:39:53,911 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:74, output treesize:15 [2021-06-07 14:39:53,945 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 14:39:53,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34103744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:53,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:53,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-07 14:39:53,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136072659] [2021-06-07 14:39:53,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 14:39:53,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:53,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 14:39:53,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-06-07 14:39:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:53,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:53,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:53,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 14:39:55,242 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:55,242 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:55,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:55,242 INFO L82 PathProgramCache]: Analyzing trace with hash 8642382, now seen corresponding path program 13 times [2021-06-07 14:39:55,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:55,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085203929] [2021-06-07 14:39:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:55,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:55,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085203929] [2021-06-07 14:39:55,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085203929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:55,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591505272] [2021-06-07 14:39:55,380 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 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 14:39:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:55,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-07 14:39:55,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:55,836 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:55,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-07 14:39:56,660 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 223 [2021-06-07 14:39:57,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:39:57,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:39:57,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 14:39:57,570 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-07 14:39:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:57,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591505272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:57,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:57,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-07 14:39:57,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432858501] [2021-06-07 14:39:57,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 14:39:57,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:57,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 14:39:57,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2021-06-07 14:39:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:57,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:57,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 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 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:57,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 14:39:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 14:39:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:39:58,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:58,725 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:58,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:58,725 INFO L82 PathProgramCache]: Analyzing trace with hash 231880174, now seen corresponding path program 14 times [2021-06-07 14:39:58,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:58,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415474047] [2021-06-07 14:39:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:58,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:58,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415474047] [2021-06-07 14:39:58,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415474047] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:58,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985246685] [2021-06-07 14:39:58,821 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 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 14:39:58,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:39:58,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:58,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 14:39:58,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:58,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985246685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:58,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:58,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-07 14:39:58,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452222151] [2021-06-07 14:39:58,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 14:39:58,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:58,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 14:39:58,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-06-07 14:39:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:58,908 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:58,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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 14:39:58,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:58,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:58,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:58,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:39:58,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:39:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:39:59,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable397 [2021-06-07 14:39:59,428 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:59,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:59,428 INFO L82 PathProgramCache]: Analyzing trace with hash 606220647, now seen corresponding path program 15 times [2021-06-07 14:39:59,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:59,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181065701] [2021-06-07 14:39:59,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:39:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:59,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:39:59,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181065701] [2021-06-07 14:39:59,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181065701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:59,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458407818] [2021-06-07 14:39:59,511 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:39:59,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-07 14:39:59,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:39:59,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 14:39:59,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:39:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:39:59,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458407818] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:39:59,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:39:59,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-07 14:39:59,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217096507] [2021-06-07 14:39:59,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 14:39:59,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:39:59,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 14:39:59,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-07 14:39:59,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:59,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:39:59,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:39:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:39:59,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:39:59,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:39:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:39:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:39:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:39:59,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable398 [2021-06-07 14:39:59,958 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:39:59,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:39:59,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1576937205, now seen corresponding path program 16 times [2021-06-07 14:39:59,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:39:59,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34021144] [2021-06-07 14:39:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:39:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:00,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:00,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34021144] [2021-06-07 14:40:00,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34021144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:00,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764208288] [2021-06-07 14:40:00,063 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:00,122 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 14:40:00,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:40:00,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 14:40:00,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:00,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764208288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:00,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:40:00,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-07 14:40:00,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900108474] [2021-06-07 14:40:00,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 14:40:00,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:40:00,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 14:40:00,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-06-07 14:40:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:00,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:40:00,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:00,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:00,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:00,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:00,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:00,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:00,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable399 [2021-06-07 14:40:00,609 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:40:00,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:40:00,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1604379431, now seen corresponding path program 17 times [2021-06-07 14:40:00,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:40:00,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451460931] [2021-06-07 14:40:00,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:40:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:00,809 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 14:40:00,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:00,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451460931] [2021-06-07 14:40:00,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451460931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:00,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901694675] [2021-06-07 14:40:00,810 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:00,850 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-07 14:40:00,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:40:00,851 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 14:40:00,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:01,400 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 14:40:01,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:40:01,400 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 14:40:02,605 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 272 [2021-06-07 14:40:02,714 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 272 [2021-06-07 14:40:02,844 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 279 [2021-06-07 14:40:03,004 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 307 [2021-06-07 14:40:03,401 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2021-06-07 14:40:04,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:40:04,315 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 147 [2021-06-07 14:40:04,315 INFO L354 Elim1Store]: treesize reduction 32, result has 88.9 percent of original size [2021-06-07 14:40:04,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 41 treesize of output 287 [2021-06-07 14:40:05,289 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 302 [2021-06-07 14:40:06,523 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 260 [2021-06-07 14:40:06,700 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 292 [2021-06-07 14:40:06,884 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 292 [2021-06-07 14:40:07,104 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 294 [2021-06-07 14:40:07,329 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 286 [2021-06-07 14:40:07,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-07 14:40:07,942 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-06-07 14:40:07,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 14:40:07,943 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:15 [2021-06-07 14:40:07,976 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 14:40:07,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901694675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:07,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:40:07,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-07 14:40:07,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523680706] [2021-06-07 14:40:07,977 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 14:40:07,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:40:07,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 14:40:07,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2021-06-07 14:40:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:07,978 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:40:07,978 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:09,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:09,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:09,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:09,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-06-07 14:40:09,979 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:40:09,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:40:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1839878859, now seen corresponding path program 18 times [2021-06-07 14:40:09,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:40:09,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293342778] [2021-06-07 14:40:09,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:40:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:10,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:10,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293342778] [2021-06-07 14:40:10,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293342778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:10,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592652490] [2021-06-07 14:40:10,144 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:10,172 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-07 14:40:10,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:40:10,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-07 14:40:10,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:10,687 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-07 14:40:10,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:40:10,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-07 14:40:12,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:40:12,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:40:12,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 14:40:12,919 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-07 14:40:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:12,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592652490] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:12,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:40:12,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-07 14:40:12,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828964123] [2021-06-07 14:40:12,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 14:40:12,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:40:12,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 14:40:12,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-06-07 14:40:12,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:12,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:40:12,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:14,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:14,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1001 [2021-06-07 14:40:14,473 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:40:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:40:14,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1237703449, now seen corresponding path program 19 times [2021-06-07 14:40:14,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:40:14,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23350122] [2021-06-07 14:40:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:40:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:14,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:14,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23350122] [2021-06-07 14:40:14,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23350122] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:14,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202143054] [2021-06-07 14:40:14,594 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:14,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 14:40:14,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:14,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202143054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:14,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:40:14,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-07 14:40:14,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307563289] [2021-06-07 14:40:14,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 14:40:14,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:40:14,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 14:40:14,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-06-07 14:40:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:14,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:40:14,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 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 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:14,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:14,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:15,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1274,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:15,320 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:40:15,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:40:15,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1202183438, now seen corresponding path program 20 times [2021-06-07 14:40:15,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:40:15,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454076863] [2021-06-07 14:40:15,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:40:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:15,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:15,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454076863] [2021-06-07 14:40:15,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454076863] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:15,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845420050] [2021-06-07 14:40:15,440 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:15,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:40:15,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:40:15,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-07 14:40:15,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:15,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845420050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:15,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:40:15,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-07 14:40:15,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179358174] [2021-06-07 14:40:15,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 14:40:15,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:40:15,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 14:40:15,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2021-06-07 14:40:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:15,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:40:15,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:40:15,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:15,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:15,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 14:40:15,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1275 [2021-06-07 14:40:15,979 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:40:15,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:40:15,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1423052754, now seen corresponding path program 21 times [2021-06-07 14:40:15,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:40:15,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525239853] [2021-06-07 14:40:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:40:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:16,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:16,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525239853] [2021-06-07 14:40:16,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525239853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:16,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256273030] [2021-06-07 14:40:16,111 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:16,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-07 14:40:16,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:40:16,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 14:40:16,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:40:16,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256273030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:16,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:40:16,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-07 14:40:16,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702167320] [2021-06-07 14:40:16,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 14:40:16,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:40:16,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 14:40:16,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-07 14:40:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:16,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:40:16,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 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 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 14:40:16,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:40:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 14:40:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:40:16,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1276,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:16,733 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:40:16,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:40:16,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1200996082, now seen corresponding path program 22 times [2021-06-07 14:40:16,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:40:16,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770710439] [2021-06-07 14:40:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:40:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:40:16,957 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 14:40:16,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:40:16,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770710439] [2021-06-07 14:40:16,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770710439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:40:16,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745222393] [2021-06-07 14:40:16,957 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:40:16,984 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 14:40:16,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:40:16,985 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-07 14:40:16,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:40:17,679 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-07 14:40:17,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:40:17,679 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 14:40:18,967 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 325 [2021-06-07 14:40:19,167 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 346 [2021-06-07 14:40:19,448 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 380 [2021-06-07 14:40:19,687 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 390 [2021-06-07 14:40:19,964 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 391 [2021-06-07 14:40:20,243 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 391 [2021-06-07 14:40:20,575 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 406 [2021-06-07 14:40:21,175 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 353 [2021-06-07 14:40:21,865 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 461 [2021-06-07 14:40:22,138 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 366 [2021-06-07 14:40:22,286 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 247 [2021-06-07 14:40:23,079 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 258 [2021-06-07 14:40:23,266 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 265 [2021-06-07 14:40:23,474 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 327 [2021-06-07 14:40:23,647 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 290 [2021-06-07 14:40:24,832 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 242 [2021-06-07 14:40:25,197 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 291 [2021-06-07 14:40:25,493 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 333 [2021-06-07 14:40:25,859 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 425 [2021-06-07 14:40:26,399 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 544 [2021-06-07 14:40:26,714 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 402 [2021-06-07 14:40:26,859 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 259 [2021-06-07 14:40:27,704 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 249 [2021-06-07 14:40:27,932 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 319 [2021-06-07 14:40:28,890 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 347 [2021-06-07 14:40:29,198 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 383 [2021-06-07 14:40:30,186 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 1257 DAG size of output: 790 [2021-06-07 14:40:31,388 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1274 DAG size of output: 807 [2021-06-07 14:40:32,553 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1274 DAG size of output: 807 [2021-06-07 14:40:33,888 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1285 DAG size of output: 818 [2021-06-07 14:40:35,158 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 816 DAG size of output: 748 [2021-06-07 14:40:35,750 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 489 [2021-06-07 14:40:36,252 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 258 [2021-06-07 14:40:36,384 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 235 [2021-06-07 14:40:37,312 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 236 [2021-06-07 14:40:37,534 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 315 [2021-06-07 14:40:37,820 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 315 [2021-06-07 14:40:38,614 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 167 [2021-06-07 14:40:38,881 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 190 [2021-06-07 14:40:39,045 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 198 [2021-06-07 14:40:39,543 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 429 [2021-06-07 14:40:39,705 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 202 [2021-06-07 14:40:40,768 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 508 [2021-06-07 14:40:41,342 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 508 [2021-06-07 14:40:42,180 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 595 [2021-06-07 14:40:42,348 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 255 [2021-06-07 14:40:42,966 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2021-06-07 14:40:43,492 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 256 [2021-06-07 14:40:43,722 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 326 [2021-06-07 14:40:43,946 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 326 [2021-06-07 14:40:44,219 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 331 [2021-06-07 14:40:44,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 14:40:45,177 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 223 [2021-06-07 14:40:45,178 INFO L354 Elim1Store]: treesize reduction 40, result has 90.9 percent of original size [2021-06-07 14:40:45,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 49 treesize of output 437 [2021-06-07 14:40:45,959 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 258 [2021-06-07 14:40:46,096 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 299 [2021-06-07 14:40:46,232 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 299 [2021-06-07 14:40:46,415 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 298 [2021-06-07 14:40:46,577 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 311 [2021-06-07 14:40:47,320 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 173 [2021-06-07 14:40:47,481 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 199 [2021-06-07 14:40:47,696 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2021-06-07 14:40:48,393 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 197 [2021-06-07 14:40:48,569 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 228 [2021-06-07 14:40:48,800 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2021-06-07 14:40:49,163 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 279 [2021-06-07 14:40:49,618 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 295 [2021-06-07 14:40:50,041 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-06-07 14:40:50,871 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 257 [2021-06-07 14:40:51,009 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 277 [2021-06-07 14:40:51,582 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 242 [2021-06-07 14:40:51,743 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 262 [2021-06-07 14:40:52,247 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 305 [2021-06-07 14:40:52,682 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 431 [2021-06-07 14:40:53,236 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 470 [2021-06-07 14:40:54,079 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 206 [2021-06-07 14:40:54,602 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 268 [2021-06-07 14:40:54,941 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 321 [2021-06-07 14:40:55,633 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 536 [2021-06-07 14:40:56,524 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 616 [2021-06-07 14:40:57,953 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1049 DAG size of output: 792 [2021-06-07 14:40:59,615 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1083 DAG size of output: 817 [2021-06-07 14:41:01,269 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1083 DAG size of output: 817 [2021-06-07 14:41:03,219 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1094 DAG size of output: 819 [2021-06-07 14:41:04,403 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 815 DAG size of output: 587 [2021-06-07 14:41:04,525 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 569 [2021-06-07 14:41:05,320 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 610 [2021-06-07 14:41:05,897 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 581 [2021-06-07 14:41:06,679 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 522 [2021-06-07 14:41:07,548 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 241 [2021-06-07 14:41:08,412 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 335 [2021-06-07 14:41:09,439 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 428 [2021-06-07 14:41:09,958 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 466 [2021-06-07 14:41:10,583 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 513 [2021-06-07 14:41:11,387 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 583 [2021-06-07 14:41:12,340 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 619 [2021-06-07 14:41:13,316 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 632 [2021-06-07 14:41:14,280 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 632 [2021-06-07 14:41:15,517 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 919 DAG size of output: 700 [2021-06-07 14:41:15,967 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 380 [2021-06-07 14:41:16,296 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 385 [2021-06-07 14:41:16,597 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 355 [2021-06-07 14:41:17,489 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 239 [2021-06-07 14:41:17,643 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 260 [2021-06-07 14:41:17,848 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 279 [2021-06-07 14:41:18,212 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 408 [2021-06-07 14:41:18,576 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 408 [2021-06-07 14:41:18,987 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 410 [2021-06-07 14:41:19,324 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 414 [2021-06-07 14:41:19,750 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 380 [2021-06-07 14:41:19,878 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 215 [2021-06-07 14:41:20,868 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 199 [2021-06-07 14:41:20,990 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 212 [2021-06-07 14:41:21,330 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-07 14:41:21,345 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-06-07 14:41:21,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 14:41:21,345 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:106, output treesize:15 [2021-06-07 14:41:21,380 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 14:41:21,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745222393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:41:21,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:41:21,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-07 14:41:21,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266537969] [2021-06-07 14:41:21,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-07 14:41:21,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:41:21,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-07 14:41:21,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1228, Unknown=0, NotChecked=0, Total=1332 [2021-06-07 14:41:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:41:21,382 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:41:21,382 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 36 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:41:21,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:41:21,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:41:21,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:41:21,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:41:21,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:41:21,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:41:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:41:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:41:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:41:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 14:41:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:41:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:41:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:41:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:41:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:41:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-07 14:41:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 14:41:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 14:41:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 14:41:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 14:41:23,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1277 [2021-06-07 14:41:23,936 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:41:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:41:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1387793454, now seen corresponding path program 23 times [2021-06-07 14:41:23,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:41:23,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635585398] [2021-06-07 14:41:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:41:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:41:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:41:24,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:41:24,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635585398] [2021-06-07 14:41:24,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635585398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:41:24,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107238611] [2021-06-07 14:41:24,206 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:41:24,242 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-07 14:41:24,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:41:24,243 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-07 14:41:24,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:41:25,028 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-07 14:41:25,028 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 14:41:25,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-07 14:41:26,115 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 247 [2021-06-07 14:41:26,284 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 272 [2021-06-07 14:41:26,477 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 295 [2021-06-07 14:41:26,669 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 295 [2021-06-07 14:41:26,905 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 316 [2021-06-07 14:41:27,279 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 404 [2021-06-07 14:41:28,451 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 256 [2021-06-07 14:41:28,689 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 358 [2021-06-07 14:41:28,836 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 273 [2021-06-07 14:41:29,031 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 315 [2021-06-07 14:41:29,902 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 241 [2021-06-07 14:41:30,191 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 229 [2021-06-07 14:41:30,747 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 221 [2021-06-07 14:41:31,293 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2021-06-07 14:41:31,401 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2021-06-07 14:41:31,649 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 289 [2021-06-07 14:41:32,335 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 335 [2021-06-07 14:41:32,843 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 408 [2021-06-07 14:41:33,805 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 232 [2021-06-07 14:41:33,963 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 273 [2021-06-07 14:41:34,204 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 321 [2021-06-07 14:41:35,107 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 590 [2021-06-07 14:41:35,823 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 286 [2021-06-07 14:41:36,866 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 323 [2021-06-07 14:41:37,865 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 295 [2021-06-07 14:41:38,103 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 336 [2021-06-07 14:41:38,716 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 265 [2021-06-07 14:41:39,169 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 482 [2021-06-07 14:41:40,131 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 671 [2021-06-07 14:41:41,440 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 661 DAG size of output: 698 [2021-06-07 14:41:42,843 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 755 DAG size of output: 781 [2021-06-07 14:41:43,919 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 311 [2021-06-07 14:41:45,708 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 874 DAG size of output: 888 [2021-06-07 14:41:48,581 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1236 [2021-06-07 14:41:49,362 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 299 [2021-06-07 14:41:50,027 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 272 [2021-06-07 14:41:50,179 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-06-07 14:41:50,349 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 370 [2021-06-07 14:41:50,634 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 388 [2021-06-07 14:41:50,932 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 433 [2021-06-07 14:41:51,424 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 544 [2021-06-07 14:41:52,599 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 303 [2021-06-07 14:41:52,866 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 329 [2021-06-07 14:41:53,158 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 382 [2021-06-07 14:41:53,507 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 412 [2021-06-07 14:41:53,949 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 455 [2021-06-07 14:41:55,474 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 431 [2021-06-07 14:41:55,761 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 493 [2021-06-07 14:41:56,164 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 529 [2021-06-07 14:41:56,613 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 582 [2021-06-07 14:41:57,147 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 600 [2021-06-07 14:41:57,825 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 649 [2021-06-07 14:41:58,655 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 692 [2021-06-07 14:42:00,101 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1013 DAG size of output: 843 [2021-06-07 14:42:02,065 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1332 DAG size of output: 1100 [2021-06-07 14:42:07,387 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 2221 DAG size of output: 1987 [2021-06-07 14:42:13,531 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 2241 DAG size of output: 2006 [2021-06-07 14:42:20,635 WARN L205 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 2437 DAG size of output: 2150 [2021-06-07 14:42:22,876 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 242 [2021-06-07 14:42:23,429 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 301 [2021-06-07 14:42:24,261 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 236 [2021-06-07 14:42:24,399 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 293 [2021-06-07 14:42:24,586 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 317 [2021-06-07 14:42:25,065 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 460 [2021-06-07 14:42:25,639 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 529 [2021-06-07 14:42:26,242 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 314 [2021-06-07 14:42:26,997 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 765 [2021-06-07 14:42:27,961 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 806 [2021-06-07 14:42:28,775 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2021-06-07 14:42:28,968 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 241 [2021-06-07 14:42:29,210 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 291 [2021-06-07 14:42:29,700 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 376 [2021-06-07 14:42:30,075 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 404 [2021-06-07 14:42:31,557 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1346 DAG size of output: 1015 [2021-06-07 14:42:33,376 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1612 DAG size of output: 1173 [2021-06-07 14:42:35,450 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1636 DAG size of output: 1176 [2021-06-07 14:42:45,450 WARN L205 SmtUtils]: Spent 9.99 s on a formula simplification. DAG size of input: 3857 DAG size of output: 3133 [2021-06-07 14:42:56,723 WARN L205 SmtUtils]: Spent 11.25 s on a formula simplification. DAG size of input: 3933 DAG size of output: 3203 [2021-06-07 14:43:09,704 WARN L205 SmtUtils]: Spent 12.96 s on a formula simplification. DAG size of input: 4245 DAG size of output: 3407 [2021-06-07 14:43:10,632 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 291 [2021-06-07 14:43:10,844 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-06-07 14:43:11,114 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 347 [2021-06-07 14:43:11,596 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 283 [2021-06-07 14:43:12,951 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 261 [2021-06-07 14:43:13,151 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 279 [2021-06-07 14:43:13,358 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 316 [2021-06-07 14:43:13,742 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-07 14:43:14,458 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 270 [2021-06-07 14:43:14,612 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-06-07 14:43:15,417 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 414 [2021-06-07 14:43:15,907 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 431 [2021-06-07 14:43:16,434 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 486 [2021-06-07 14:43:17,314 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 261 [2021-06-07 14:43:17,598 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 283 [2021-06-07 14:43:17,890 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 332 [2021-06-07 14:43:18,846 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 645 [2021-06-07 14:43:20,435 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 818 DAG size of output: 927 [2021-06-07 14:43:21,087 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 227 [2021-06-07 14:43:22,047 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 216 [2021-06-07 14:43:22,176 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 259 [2021-06-07 14:43:22,456 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 347 [2021-06-07 14:43:22,964 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 448 [2021-06-07 14:43:25,897 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1084 DAG size of output: 1168 [2021-06-07 14:43:26,481 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 250 [2021-06-07 14:43:27,112 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 297 [2021-06-07 14:43:28,388 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 291 [2021-06-07 14:43:29,047 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 263 [2021-06-07 14:43:29,824 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 282 [2021-06-07 14:43:30,018 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 341 [2021-06-07 14:43:30,549 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 513 [2021-06-07 14:43:31,516 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 710 [2021-06-07 14:43:32,856 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 785 DAG size of output: 749 [2021-06-07 14:43:34,053 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 904 DAG size of output: 854 [2021-06-07 14:43:35,824 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1033 DAG size of output: 959 [2021-06-07 14:43:40,569 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 1877 DAG size of output: 1879 [2021-06-07 14:43:46,065 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1897 [2021-06-07 14:43:52,358 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 2004 DAG size of output: 1998 [2021-06-07 14:43:52,572 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 288 [2021-06-07 14:43:52,797 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 285 [2021-06-07 14:43:52,981 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 307 [2021-06-07 14:43:53,675 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 155 [2021-06-07 14:43:54,587 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 281 [2021-06-07 14:43:54,908 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 309 [2021-06-07 14:43:55,115 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 258 [2021-06-07 14:43:55,278 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 231 [2021-06-07 14:43:56,484 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 276 [2021-06-07 14:43:57,149 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 206 [2021-06-07 14:43:57,303 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 219 [2021-06-07 14:43:57,453 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 254 [2021-06-07 14:43:58,023 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 304 [2021-06-07 14:43:58,589 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 445 [2021-06-07 14:43:59,287 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 458 [2021-06-07 14:44:00,425 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 760 DAG size of output: 640 [2021-06-07 14:44:01,300 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 179 [2021-06-07 14:44:01,462 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 237 [2021-06-07 14:44:02,132 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 196 [2021-06-07 14:44:02,426 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 271 [2021-06-07 14:44:02,805 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 306 [2021-06-07 14:44:03,587 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 208 [2021-06-07 14:44:04,729 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 254 [2021-06-07 14:44:04,963 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 332 [2021-06-07 14:44:05,406 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 403 [2021-06-07 14:44:05,917 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 427 [2021-06-07 14:44:06,936 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 794 DAG size of output: 570 [2021-06-07 14:44:09,278 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1387 DAG size of output: 969 [2021-06-07 14:44:12,108 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1478 DAG size of output: 1058 [2021-06-07 14:44:15,295 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1061 [2021-06-07 14:44:25,721 WARN L205 SmtUtils]: Spent 10.42 s on a formula simplification. DAG size of input: 3259 DAG size of output: 2853 [2021-06-07 14:44:37,460 WARN L205 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 3338 DAG size of output: 2927 [2021-06-07 14:44:50,781 WARN L205 SmtUtils]: Spent 13.30 s on a formula simplification. DAG size of input: 3593 DAG size of output: 3091 [2021-06-07 14:45:15,071 WARN L205 SmtUtils]: Spent 24.27 s on a formula simplification. DAG size of input: 7272 DAG size of output: 5570 [2021-06-07 14:45:39,911 WARN L205 SmtUtils]: Spent 24.81 s on a formula simplification. DAG size of input: 7272 DAG size of output: 5570 [2021-06-07 14:46:06,887 WARN L205 SmtUtils]: Spent 26.95 s on a formula simplification. DAG size of input: 7285 DAG size of output: 5583 [2021-06-07 14:47:07,440 WARN L205 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 5585 DAG size of output: 8530 [2021-06-07 14:47:40,203 WARN L205 SmtUtils]: Spent 32.70 s on a formula simplification. DAG size of input: 5012 DAG size of output: 7145 [2021-06-07 14:48:18,393 WARN L205 SmtUtils]: Spent 38.16 s on a formula simplification. DAG size of input: 4448 DAG size of output: 6180 [2021-06-07 14:48:18,757 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 2854 [2021-06-07 14:48:18,946 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 1606 [2021-06-07 14:48:19,114 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 1561 [2021-06-07 14:48:23,750 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1051 DAG size of output: 1443 [2021-06-07 14:48:27,848 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 944 DAG size of output: 1438 [2021-06-07 14:48:29,452 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 885 DAG size of output: 786 [2021-06-07 14:48:30,030 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 442 [2021-06-07 14:48:31,230 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 228 [2021-06-07 14:48:31,535 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 330 [2021-06-07 14:48:32,865 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 757 DAG size of output: 696 [2021-06-07 14:48:33,452 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 591 [2021-06-07 14:48:33,860 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 358 [2021-06-07 14:48:34,782 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 227 [2021-06-07 14:48:35,235 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 426 [2021-06-07 14:48:35,844 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 487 [2021-06-07 14:48:36,913 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1403 DAG size of output: 679 [2021-06-07 14:48:37,053 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 760 [2021-06-07 14:48:38,804 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 728 DAG size of output: 1112 [2021-06-07 14:48:38,912 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 673 [2021-06-07 14:48:39,088 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 536 [2021-06-07 14:48:39,838 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 350 [2021-06-07 14:48:40,274 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 206 [2021-06-07 14:48:40,657 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 429 [2021-06-07 14:48:41,132 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 459 [2021-06-07 14:48:41,688 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 467 [2021-06-07 14:48:42,375 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 536 [2021-06-07 14:48:43,153 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 242 [2021-06-07 14:48:43,312 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 242 [2021-06-07 14:48:43,589 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 305 [2021-06-07 14:48:44,470 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 636 [2021-06-07 14:48:45,557 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1169 DAG size of output: 659 [2021-06-07 14:48:47,991 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 2346 DAG size of output: 1201 [2021-06-07 14:48:50,548 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 692 DAG size of output: 973 [2021-06-07 14:48:50,903 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 506 [2021-06-07 14:48:51,086 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 251 [2021-06-07 14:48:51,758 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 226 [2021-06-07 14:48:51,930 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-07 14:48:52,076 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 215 [2021-06-07 14:48:52,727 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 254 [2021-06-07 14:48:52,909 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 295 [2021-06-07 14:48:53,142 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 321 [2021-06-07 14:48:53,591 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 449 [2021-06-07 14:48:54,286 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 601 [2021-06-07 14:48:55,130 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 624 [2021-06-07 14:48:55,982 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 632 [2021-06-07 14:48:57,983 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 569 DAG size of output: 852 [2021-06-07 14:48:59,026 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 528 DAG size of output: 563 [2021-06-07 14:48:59,167 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 261 [2021-06-07 14:48:59,927 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 285 [2021-06-07 14:49:00,868 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 549 [2021-06-07 14:49:01,009 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 298 [2021-06-07 14:49:01,590 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 284 [2021-06-07 14:49:01,890 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 337 [2021-06-07 14:49:02,178 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 337 [2021-06-07 14:49:02,825 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 502 [2021-06-07 14:49:04,687 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1631 DAG size of output: 991 [2021-06-07 14:49:08,981 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 3690 DAG size of output: 1776 [2021-06-07 14:49:09,839 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 206 [2021-06-07 14:49:09,981 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 246 [2021-06-07 14:49:15,007 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 3881 DAG size of output: 1908 [2021-06-07 14:49:23,599 WARN L205 SmtUtils]: Spent 8.57 s on a formula simplification. DAG size of input: 1565 DAG size of output: 2375 [2021-06-07 14:49:28,791 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 1363 DAG size of output: 2060 [2021-06-07 14:49:28,916 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2021-06-07 14:49:29,036 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2021-06-07 14:49:29,182 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 732 [2021-06-07 14:49:30,203 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 633 [2021-06-07 14:49:31,225 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 232 [2021-06-07 14:49:31,416 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 232 [2021-06-07 14:49:31,711 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 303 [2021-06-07 14:49:32,071 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 324 [2021-06-07 14:49:32,654 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 568 [2021-06-07 14:49:33,470 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 210 [2021-06-07 14:49:33,606 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 223 [2021-06-07 14:49:33,817 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 285 [2021-06-07 14:49:34,461 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 510 [2021-06-07 14:49:35,270 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 529 [2021-06-07 14:49:35,413 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 1303 [2021-06-07 14:49:35,537 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2021-06-07 14:49:35,720 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 810 [2021-06-07 14:49:36,928 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 767 DAG size of output: 688 [2021-06-07 14:49:37,506 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 218 [2021-06-07 14:49:38,105 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 222 [2021-06-07 14:49:38,306 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 268 [2021-06-07 14:49:38,617 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 374 [2021-06-07 14:49:39,035 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 384 [2021-06-07 14:49:39,582 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 458 [2021-06-07 14:49:40,235 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 874 DAG size of output: 479 [2021-06-07 14:49:40,956 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 608 [2021-06-07 14:49:41,500 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 160 [2021-06-07 14:49:42,127 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 315 [2021-06-07 14:49:42,415 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 328 [2021-06-07 14:49:42,782 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 391 [2021-06-07 14:49:43,783 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 679 [2021-06-07 14:49:45,124 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1485 DAG size of output: 723 [2021-06-07 14:49:47,262 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 2268 DAG size of output: 1006 [2021-06-07 14:49:47,420 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 1519 [2021-06-07 14:49:48,049 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 1476 [2021-06-07 14:49:50,918 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 927 DAG size of output: 1354 [2021-06-07 14:49:51,114 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 900 [2021-06-07 14:49:51,520 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 843 [2021-06-07 14:49:51,974 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 684 [2021-06-07 14:49:52,643 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 602 [2021-06-07 14:49:52,899 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 248 [2021-06-07 14:49:53,888 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 303 [2021-06-07 14:49:54,120 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 361 [2021-06-07 14:49:54,918 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 470 [2021-06-07 14:49:55,532 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 807 DAG size of output: 638 [2021-06-07 14:49:56,300 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 689 [2021-06-07 14:49:57,220 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 696 [2021-06-07 14:49:58,335 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1117 DAG size of output: 718 [2021-06-07 14:49:59,665 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1188 DAG size of output: 781 [2021-06-07 14:50:01,024 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 816 DAG size of output: 776 [2021-06-07 14:50:03,129 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 314 [2021-06-07 14:50:03,477 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 371 [2021-06-07 14:50:03,970 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 448 [2021-06-07 14:50:04,502 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 430 [2021-06-07 14:50:05,195 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 491 [2021-06-07 14:50:06,062 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 575 [2021-06-07 14:50:08,590 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1906 DAG size of output: 1115 [2021-06-07 14:50:08,732 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 698 [2021-06-07 14:50:10,070 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 632 DAG size of output: 912 [2021-06-07 14:50:10,390 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 273 [2021-06-07 14:50:10,507 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 231 [2021-06-07 14:50:11,052 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 203 [2021-06-07 14:50:11,219 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 247 [2021-06-07 14:50:11,781 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 410 [2021-06-07 14:50:11,943 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 349 [2021-06-07 14:50:12,353 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2021-06-07 14:50:12,607 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 301 [2021-06-07 14:50:12,965 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 342 [2021-06-07 14:50:13,266 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 662 DAG size of output: 394 [2021-06-07 14:50:13,865 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 896 DAG size of output: 513 [2021-06-07 14:50:14,249 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 402 [2021-06-07 14:50:14,738 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 228 [2021-06-07 14:50:14,896 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 265 [2021-06-07 14:50:15,473 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 192 [2021-06-07 14:50:15,664 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 212 [2021-06-07 14:50:16,019 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 374 [2021-06-07 14:50:16,996 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 1204 DAG size of output: 687 [2021-06-07 14:50:18,167 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1294 DAG size of output: 786 [2021-06-07 14:50:22,202 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 3017 DAG size of output: 1570 [2021-06-07 14:50:26,760 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 3152 DAG size of output: 1642 [2021-06-07 14:50:34,103 WARN L205 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 4938 DAG size of output: 2329 [2021-06-07 14:50:47,872 WARN L205 SmtUtils]: Spent 13.75 s on a formula simplification. DAG size of input: 8229 DAG size of output: 3533 [2021-06-07 14:50:48,453 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 4146 [2021-06-07 14:51:05,589 WARN L205 SmtUtils]: Spent 17.12 s on a formula simplification. DAG size of input: 2154 DAG size of output: 3262 [2021-06-07 14:51:06,082 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 1933 DAG size of output: 1928 [2021-06-07 14:51:06,563 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 1846 DAG size of output: 1836 [2021-06-07 14:51:18,013 WARN L205 SmtUtils]: Spent 11.09 s on a formula simplification. DAG size of input: 1791 DAG size of output: 2830 [2021-06-07 14:51:22,866 WARN L205 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1529 [2021-06-07 14:51:25,587 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 871 DAG size of output: 1183 [2021-06-07 14:51:25,792 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2021-06-07 14:51:26,403 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 231 [2021-06-07 14:51:27,558 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 332 [2021-06-07 14:51:28,709 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1275 DAG size of output: 632 [2021-06-07 14:51:30,630 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1965 DAG size of output: 896 [2021-06-07 14:51:34,933 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 1582 DAG size of output: 1511 [2021-06-07 14:51:35,128 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 874 DAG size of output: 874 [2021-06-07 14:51:36,238 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 582 DAG size of output: 833 [2021-06-07 14:51:36,914 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-06-07 14:51:37,424 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 267 [2021-06-07 14:51:37,651 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 285 [2021-06-07 14:51:37,915 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 293 [2021-06-07 14:51:38,254 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 357 [2021-06-07 14:51:39,088 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 605 [2021-06-07 14:51:39,997 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 638 [2021-06-07 14:51:40,316 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 350 [2021-06-07 14:51:40,927 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 233 [2021-06-07 14:51:41,156 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 320 [2021-06-07 14:51:41,445 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 323 [2021-06-07 14:51:42,069 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 484 [2021-06-07 14:51:43,725 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1482 DAG size of output: 919 [2021-06-07 14:51:45,971 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 2145 DAG size of output: 1106 [2021-06-07 14:51:50,690 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 3726 DAG size of output: 1789 [2021-06-07 14:51:56,179 WARN L205 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 3827 DAG size of output: 1866 [2021-06-07 14:52:02,230 WARN L205 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 3903 DAG size of output: 1910 [2021-06-07 14:52:15,744 WARN L205 SmtUtils]: Spent 13.49 s on a formula simplification. DAG size of input: 1916 DAG size of output: 3020 [2021-06-07 14:52:16,135 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 1712 DAG size of output: 1707 [2021-06-07 14:52:16,529 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1654 DAG size of output: 1635 [2021-06-07 14:52:20,587 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 1591 DAG size of output: 1454 [2021-06-07 14:52:20,772 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 868 [2021-06-07 14:52:21,107 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 254 [2021-06-07 14:52:21,507 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 199 [2021-06-07 14:52:21,730 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 412 [2021-06-07 14:52:22,274 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 199 [2021-06-07 14:52:22,453 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 289 [2021-06-07 14:52:22,816 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 399 [2021-06-07 14:52:23,281 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 383 [2021-06-07 14:52:24,070 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 856 DAG size of output: 496 [2021-06-07 14:52:24,420 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 435 [2021-06-07 14:52:25,300 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 291 [2021-06-07 14:52:25,512 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 363 [2021-06-07 14:52:25,900 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 470 [2021-06-07 14:52:26,938 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1288 DAG size of output: 799 [2021-06-07 14:52:28,706 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1930 DAG size of output: 1091 [2021-06-07 14:52:30,754 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 2007 DAG size of output: 1153 [2021-06-07 14:52:32,927 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 2065 DAG size of output: 1100 [2021-06-07 14:52:38,332 WARN L205 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 1834 DAG size of output: 1767 [2021-06-07 14:52:41,929 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1687 [2021-06-07 14:52:42,135 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 941 [2021-06-07 14:52:42,334 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 889 [2021-06-07 14:52:43,256 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 171 [2021-06-07 14:52:43,438 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 393 [2021-06-07 14:52:44,112 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 381 [2021-06-07 14:52:44,516 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 418 [2021-06-07 14:52:45,030 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 404 [2021-06-07 14:52:45,623 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 527 [2021-06-07 14:52:45,934 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 432 [2021-06-07 14:52:46,730 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 237 [2021-06-07 14:52:46,922 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 313 [2021-06-07 14:52:47,375 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 478 [2021-06-07 14:52:48,568 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1113 DAG size of output: 825 [2021-06-07 14:52:49,940 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1178 DAG size of output: 875 [2021-06-07 14:52:51,571 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1216 DAG size of output: 906 [2021-06-07 14:52:54,426 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 2086 DAG size of output: 1282 [2021-06-07 14:52:58,137 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 2776 DAG size of output: 1537 [2021-06-07 14:53:04,756 WARN L205 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 4066 DAG size of output: 2272 [2021-06-07 14:53:18,927 WARN L205 SmtUtils]: Spent 14.15 s on a formula simplification. DAG size of input: 7153 DAG size of output: 3693 [2021-06-07 14:53:19,528 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 2399 DAG size of output: 2399 [2021-06-07 14:53:33,898 WARN L205 SmtUtils]: Spent 14.35 s on a formula simplification. DAG size of input: 2318 DAG size of output: 3540 [2021-06-07 14:53:34,119 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 1988 [2021-06-07 14:53:34,320 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 1923 [2021-06-07 14:53:39,054 WARN L205 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 1265 DAG size of output: 1834 [2021-06-07 14:53:39,313 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1245 DAG size of output: 1245 [2021-06-07 14:53:39,714 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 275 [2021-06-07 14:53:41,509 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1133 DAG size of output: 913 [2021-06-07 14:53:41,725 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-06-07 14:53:42,165 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 443 [2021-06-07 14:53:43,133 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 252 [2021-06-07 14:53:43,337 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 338 [2021-06-07 14:53:43,675 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 436 [2021-06-07 14:53:44,265 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 595 [2021-06-07 14:53:45,029 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 623 [2021-06-07 14:53:46,094 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1179 DAG size of output: 781 [2021-06-07 14:53:47,487 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1373 DAG size of output: 968 [2021-06-07 14:53:49,369 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1068 DAG size of output: 950 [2021-06-07 14:53:49,488 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 677 [2021-06-07 14:53:49,942 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2021-06-07 14:53:50,614 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 258 [2021-06-07 14:53:51,211 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 334 [2021-06-07 14:53:51,550 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 403 [2021-06-07 14:53:51,991 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 421 [2021-06-07 14:53:52,543 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 531 [2021-06-07 14:53:53,498 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 681 [2021-06-07 14:53:56,073 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 2121 DAG size of output: 1280 [2021-06-07 14:53:56,208 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 812 [2021-06-07 14:53:56,509 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 195 [2021-06-07 14:53:57,421 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 169 [2021-06-07 14:53:57,584 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 210 [2021-06-07 14:53:57,798 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 228 [2021-06-07 14:53:58,085 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 311 [2021-06-07 14:53:58,450 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 333 [2021-06-07 14:53:59,040 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 722 [2021-06-07 14:53:59,268 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-06-07 14:53:59,944 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 291 [2021-06-07 14:54:00,208 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 231 [2021-06-07 14:54:00,680 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 219 [2021-06-07 14:54:00,844 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 232 [2021-06-07 14:54:01,439 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 408 [2021-06-07 14:54:01,989 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 503 [2021-06-07 14:54:02,876 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 576 [2021-06-07 14:54:04,069 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1127 DAG size of output: 784 [2021-06-07 14:54:05,598 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1305 DAG size of output: 885 [2021-06-07 14:54:09,919 WARN L205 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 3215 DAG size of output: 1850 [2021-06-07 14:54:10,988 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 239 [2021-06-07 14:54:11,208 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 293 Received shutdown request... [2021-06-07 14:54:16,381 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 3475 DAG size of output: 2035 [2021-06-07 14:54:16,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4189 [2021-06-07 14:54:16,600 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-07 14:54:16,609 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 14:54:16,610 WARN L196 ceAbstractionStarter]: Timeout [2021-06-07 14:54:16,610 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 02:54:16 BasicIcfg [2021-06-07 14:54:16,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 14:54:16,610 INFO L168 Benchmark]: Toolchain (without parser) took 873746.74 ms. Allocated memory was 364.9 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 344.4 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-07 14:54:16,611 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 364.9 MB. Free memory is still 345.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 14:54:16,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.45 ms. Allocated memory is still 364.9 MB. Free memory was 344.2 MB in the beginning and 342.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 14:54:16,611 INFO L168 Benchmark]: Boogie Preprocessor took 17.58 ms. Allocated memory is still 364.9 MB. Free memory was 342.8 MB in the beginning and 341.9 MB in the end (delta: 883.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 14:54:16,611 INFO L168 Benchmark]: RCFGBuilder took 284.01 ms. Allocated memory is still 364.9 MB. Free memory was 341.7 MB in the beginning and 327.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-07 14:54:16,611 INFO L168 Benchmark]: TraceAbstraction took 873413.44 ms. Allocated memory was 364.9 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 326.5 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-07 14:54:16,611 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 0.15 ms. Allocated memory is still 364.9 MB. Free memory is still 345.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.45 ms. Allocated memory is still 364.9 MB. Free memory was 344.2 MB in the beginning and 342.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.58 ms. Allocated memory is still 364.9 MB. Free memory was 342.8 MB in the beginning and 341.9 MB in the end (delta: 883.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 284.01 ms. Allocated memory is still 364.9 MB. Free memory was 341.7 MB in the beginning and 327.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 873413.44 ms. Allocated memory was 364.9 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 326.5 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 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: 2332, positive: 1276, positive conditional: 1276, positive unconditional: 0, negative: 1056, negative conditional: 1056, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1276, positive: 1276, positive conditional: 1276, 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: 1276, positive: 1276, positive conditional: 0, positive unconditional: 1276, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 1276, positive: 1267, positive conditional: 0, positive unconditional: 1267, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, 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: 1056 - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 27 with TraceHistMax 11,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, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 873281.5ms, OverallIterations: 27, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 12191.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 549, 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: 102.6ms SsaConstructionTime, 425.4ms SatisfiabilityAnalysisTime, 82076.0ms InterpolantComputationTime, 888 NumberOfCodeBlocks, 888 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 838 ConstructedInterpolants, 0 QuantifiedInterpolants, 8221 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1709 ConjunctsInSsa, 486 ConjunctsInUnsatCore, 50 InterpolantComputations, 2 PerfectInterpolantSequences, 307/1307 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