/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 16:22:11,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 16:22:11,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 16:22:11,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 16:22:11,493 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-Sleep-NoLbe-New_States.epf [2021-03-12 16:22:11,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 16:22:11,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 16:22:11,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 16:22:11,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 16:22:11,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 16:22:11,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 16:22:11,527 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 16:22:11,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 16:22:11,528 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 16:22:11,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 16:22:11,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 16:22:11,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 16:22:11,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 16:22:11,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 16:22:11,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 16:22:11,529 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 16:22:11,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 16:22:11,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 16:22:11,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 16:22:11,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 16:22:11,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 16:22:11,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 16:22:11,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 16:22:11,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 16:22:11,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 16:22:11,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 16:22:11,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 16:22:11,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 16:22:11,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 16:22:11,533 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 16:22:11,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 16:22:11,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 16:22:11,533 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 16:22:11,533 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 16:22:11,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 16:22:11,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 16:22:11,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 16:22:11,837 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 16:22:11,840 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 16:22:11,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2021-03-12 16:22:11,853 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-03-12 16:22:11,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 16:22:11,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 16:22:11,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 16:22:11,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 16:22:11,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 16:22:11,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 16:22:11,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 16:22:11,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 16:22:11,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 16:22:11,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/1) ... [2021-03-12 16:22:11,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 16:22:11,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 16:22:11,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 16:22:11,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 16:22:11,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (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 [2021-03-12 16:22:11,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 16:22:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 16:22:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 16:22:11,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 16:22:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 16:22:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 16:22:11,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 16:22:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 16:22:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 16:22:11,991 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 16:22:12,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 16:22:12,364 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-12 16:22:12,364 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-12 16:22:12,366 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 04:22:12 BoogieIcfgContainer [2021-03-12 16:22:12,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 16:22:12,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 16:22:12,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 16:22:12,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 16:22:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:22:11" (1/2) ... [2021-03-12 16:22:12,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b903724 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 04:22:12, skipping insertion in model container [2021-03-12 16:22:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 04:22:12" (2/2) ... [2021-03-12 16:22:12,371 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-03-12 16:22:12,376 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 16:22:12,376 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 16:22:12,382 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 16:22:12,383 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 16:22:12,438 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 16:22:12,453 INFO L253 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 [2021-03-12 16:22:12,511 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 16:22:12,511 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 16:22:12,511 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 16:22:12,511 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 16:22:12,511 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 16:22:12,511 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 16:22:12,512 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 16:22:12,512 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 16:22:12,542 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:12,547 INFO L82 PathProgramCache]: Analyzing trace with hash -163389209, now seen corresponding path program 1 times [2021-03-12 16:22:12,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:12,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026405712] [2021-03-12 16:22:12,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:12,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026405712] [2021-03-12 16:22:12,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 16:22:12,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 16:22:12,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65399922] [2021-03-12 16:22:12,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 16:22:12,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:12,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 16:22:12,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-12 16:22:12,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:12,777 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:12,778 INFO L481 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) [2021-03-12 16:22:12,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:12,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 16:22:12,810 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:12,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:12,810 INFO L82 PathProgramCache]: Analyzing trace with hash -824603045, now seen corresponding path program 1 times [2021-03-12 16:22:12,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:12,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879609857] [2021-03-12 16:22:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:12,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:12,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879609857] [2021-03-12 16:22:12,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703565784] [2021-03-12 16:22:12,902 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 [2021-03-12 16:22:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:12,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 16:22:12,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:13,111 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 [2021-03-12 16:22:13,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:13,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:13,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:13,117 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-12 16:22:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:13,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:13,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-12 16:22:13,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579250261] [2021-03-12 16:22:13,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 16:22:13,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:13,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 16:22:13,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-12 16:22:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:13,148 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:13,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 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) [2021-03-12 16:22:13,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:13,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:13,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:13,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:13,439 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:13,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:13,440 INFO L82 PathProgramCache]: Analyzing trace with hash 152604519, now seen corresponding path program 2 times [2021-03-12 16:22:13,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:13,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32992796] [2021-03-12 16:22:13,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:13,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32992796] [2021-03-12 16:22:13,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425531446] [2021-03-12 16:22:13,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 16:22:13,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:22:13,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:13,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 16:22:13,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:13,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:13,745 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 [2021-03-12 16:22:13,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:13,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:13,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:13,753 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-03-12 16:22:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:13,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:13,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-12 16:22:13,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072790122] [2021-03-12 16:22:13,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 16:22:13,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:13,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 16:22:13,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-12 16:22:13,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:13,774 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:13,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:22:13,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:13,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:13,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:13,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:14,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:14,063 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:14,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:14,064 INFO L82 PathProgramCache]: Analyzing trace with hash 381267931, now seen corresponding path program 3 times [2021-03-12 16:22:14,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:14,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428316978] [2021-03-12 16:22:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:14,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428316978] [2021-03-12 16:22:14,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74194234] [2021-03-12 16:22:14,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 16:22:14,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 16:22:14,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:14,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 16:22:14,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:14,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:14,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 16:22:14,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031769086] [2021-03-12 16:22:14,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 16:22:14,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:14,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 16:22:14,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-12 16:22:14,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:14,218 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:14,218 INFO L481 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) [2021-03-12 16:22:14,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:14,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:14,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:14,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:14,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:14,499 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:14,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:14,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1038970604, now seen corresponding path program 1 times [2021-03-12 16:22:14,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:14,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428672340] [2021-03-12 16:22:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:14,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428672340] [2021-03-12 16:22:14,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012958520] [2021-03-12 16:22:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-12 16:22:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:14,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 16:22:14,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:14,828 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:14,829 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 [2021-03-12 16:22:14,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:14,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:14,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:14,858 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-12 16:22:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:14,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:14,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-03-12 16:22:14,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922367616] [2021-03-12 16:22:14,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 16:22:14,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:14,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 16:22:14,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-03-12 16:22:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:14,866 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:14,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-03-12 16:22:14,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:14,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:14,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:14,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:14,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:15,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:15,271 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:15,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:15,272 INFO L82 PathProgramCache]: Analyzing trace with hash -336763768, now seen corresponding path program 2 times [2021-03-12 16:22:15,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:15,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439047115] [2021-03-12 16:22:15,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:15,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439047115] [2021-03-12 16:22:15,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680593768] [2021-03-12 16:22:15,385 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 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 [2021-03-12 16:22:15,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:22:15,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:15,420 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 16:22:15,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:15,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:15,621 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 [2021-03-12 16:22:15,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:15,683 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:15,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:15,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-03-12 16:22:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:15,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:15,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-12 16:22:15,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044326145] [2021-03-12 16:22:15,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 16:22:15,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:15,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 16:22:15,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-12 16:22:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:15,692 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:15,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:22:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:16,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:16,060 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:16,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:16,060 INFO L82 PathProgramCache]: Analyzing trace with hash -43188332, now seen corresponding path program 3 times [2021-03-12 16:22:16,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:16,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032728998] [2021-03-12 16:22:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:16,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032728998] [2021-03-12 16:22:16,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777623311] [2021-03-12 16:22:16,185 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 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 [2021-03-12 16:22:16,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 16:22:16,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:16,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-12 16:22:16,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:16,445 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:16,445 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 [2021-03-12 16:22:16,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:16,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:16,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:16,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-03-12 16:22:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:16,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:16,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-12 16:22:16,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191077794] [2021-03-12 16:22:16,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 16:22:16,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:16,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 16:22:16,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-03-12 16:22:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:16,557 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:16,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 16 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) [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:16,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:16,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-12 16:22:16,964 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:16,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:16,964 INFO L82 PathProgramCache]: Analyzing trace with hash 467715592, now seen corresponding path program 4 times [2021-03-12 16:22:16,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:16,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355599533] [2021-03-12 16:22:16,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:17,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355599533] [2021-03-12 16:22:17,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932660382] [2021-03-12 16:22:17,028 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 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 [2021-03-12 16:22:17,049 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:22:17,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:17,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 16:22:17,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:17,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:17,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-03-12 16:22:17,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471840393] [2021-03-12 16:22:17,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 16:22:17,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:17,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 16:22:17,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-03-12 16:22:17,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:17,121 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:17,121 INFO L481 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) [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:17,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:17,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-12 16:22:17,448 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:17,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:17,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1640906887, now seen corresponding path program 5 times [2021-03-12 16:22:17,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:17,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835115862] [2021-03-12 16:22:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:17,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835115862] [2021-03-12 16:22:17,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025059013] [2021-03-12 16:22:17,598 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 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 [2021-03-12 16:22:17,620 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 16:22:17,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:17,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-03-12 16:22:17,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:17,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:17,989 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 [2021-03-12 16:22:18,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:18,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:18,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:18,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-03-12 16:22:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:18,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:18,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-03-12 16:22:18,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120689221] [2021-03-12 16:22:18,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 16:22:18,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:18,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 16:22:18,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-03-12 16:22:18,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:18,218 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:18,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:22:18,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:18,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:18,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:18,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-12 16:22:18,772 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:18,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:18,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1301661189, now seen corresponding path program 6 times [2021-03-12 16:22:18,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:18,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305411020] [2021-03-12 16:22:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:18,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305411020] [2021-03-12 16:22:18,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828228795] [2021-03-12 16:22:18,963 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 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 [2021-03-12 16:22:18,988 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 16:22:18,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:18,989 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 16:22:18,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:19,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:19,375 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 [2021-03-12 16:22:19,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:19,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:19,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:19,743 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-03-12 16:22:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:19,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:19,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-03-12 16:22:19,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665880721] [2021-03-12 16:22:19,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 16:22:19,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:19,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 16:22:19,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-03-12 16:22:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:19,752 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:19,752 INFO L481 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) [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:20,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:20,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:20,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-03-12 16:22:20,303 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:20,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:20,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1968008967, now seen corresponding path program 7 times [2021-03-12 16:22:20,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:20,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387576187] [2021-03-12 16:22:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:20,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387576187] [2021-03-12 16:22:20,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355999426] [2021-03-12 16:22:20,470 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 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 [2021-03-12 16:22:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:20,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-12 16:22:20,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:20,942 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-12 16:22:20,942 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:20,943 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 [2021-03-12 16:22:21,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:21,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:21,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:21,915 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-03-12 16:22:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:21,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:21,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-03-12 16:22:21,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053233465] [2021-03-12 16:22:21,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 16:22:21,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:21,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 16:22:21,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-03-12 16:22:21,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:21,926 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:21,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:22:21,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:21,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:21,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:21,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:21,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:21,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:22,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:22,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-03-12 16:22:22,496 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:22,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:22,496 INFO L82 PathProgramCache]: Analyzing trace with hash 248568699, now seen corresponding path program 8 times [2021-03-12 16:22:22,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:22,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537913435] [2021-03-12 16:22:22,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:22,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537913435] [2021-03-12 16:22:22,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328699947] [2021-03-12 16:22:22,612 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 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 [2021-03-12 16:22:22,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:22:22,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:22,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-12 16:22:22,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:22,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:22,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-03-12 16:22:22,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264812655] [2021-03-12 16:22:22,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 16:22:22,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:22,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 16:22:22,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-03-12 16:22:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:22,720 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:22,720 INFO L481 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) [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:23,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable450,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:23,129 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:23,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:23,129 INFO L82 PathProgramCache]: Analyzing trace with hash -857679500, now seen corresponding path program 9 times [2021-03-12 16:22:23,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:23,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689682525] [2021-03-12 16:22:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:23,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689682525] [2021-03-12 16:22:23,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349911084] [2021-03-12 16:22:23,376 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 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 [2021-03-12 16:22:23,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-03-12 16:22:23,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:23,416 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-12 16:22:23,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:24,027 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-12 16:22:24,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:24,027 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 [2021-03-12 16:22:26,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:26,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:26,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:26,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-03-12 16:22:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:26,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:26,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 16:22:26,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472238869] [2021-03-12 16:22:26,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 16:22:26,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:26,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 16:22:26,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-03-12 16:22:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:26,130 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:26,130 INFO L481 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) [2021-03-12 16:22:26,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:26,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:26,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:26,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:26,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:26,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:26,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:22:26,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable451 [2021-03-12 16:22:26,903 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:26,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:26,903 INFO L82 PathProgramCache]: Analyzing trace with hash 322631912, now seen corresponding path program 10 times [2021-03-12 16:22:26,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:26,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030438528] [2021-03-12 16:22:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:27,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030438528] [2021-03-12 16:22:27,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119535521] [2021-03-12 16:22:27,207 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 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 [2021-03-12 16:22:27,237 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:22:27,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:27,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-03-12 16:22:27,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:27,909 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-12 16:22:27,909 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:27,909 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 [2021-03-12 16:22:32,607 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-03-12 16:22:32,752 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-12 16:22:32,911 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-12 16:22:33,078 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-03-12 16:22:33,242 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-03-12 16:22:33,807 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 606 [2021-03-12 16:22:37,186 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 738 [2021-03-12 16:22:37,351 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-12 16:22:37,522 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-12 16:22:37,702 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-03-12 16:22:38,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:22:38,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:38,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:22:38,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-03-12 16:22:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:38,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:22:38,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-03-12 16:22:38,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276991010] [2021-03-12 16:22:38,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-12 16:22:38,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:22:38,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-12 16:22:38,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-03-12 16:22:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:38,342 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:22:38,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:38,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:22:38,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:22:38,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:22:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:22:38,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:22:39,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable973,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:22:39,138 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:22:39,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:22:39,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1742419980, now seen corresponding path program 11 times [2021-03-12 16:22:39,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:22:39,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751740366] [2021-03-12 16:22:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:22:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:22:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:22:39,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751740366] [2021-03-12 16:22:39,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742963888] [2021-03-12 16:22:39,350 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 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 [2021-03-12 16:22:39,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-03-12 16:22:39,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:22:39,378 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-03-12 16:22:39,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:22:40,067 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-03-12 16:22:40,067 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:22:40,067 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 [2021-03-12 16:22:45,434 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 398 [2021-03-12 16:22:45,545 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-03-12 16:22:48,046 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-03-12 16:22:50,026 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-03-12 16:22:50,286 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-03-12 16:22:50,586 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-03-12 16:22:50,949 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-03-12 16:22:51,383 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-03-12 16:22:53,406 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-03-12 16:22:53,981 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-03-12 16:22:56,500 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-03-12 16:22:58,326 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-03-12 16:22:58,590 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-03-12 16:23:01,155 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 449 [2021-03-12 16:23:01,559 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-03-12 16:23:01,987 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-03-12 16:23:02,951 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-03-12 16:23:03,485 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-03-12 16:23:04,072 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-03-12 16:23:06,876 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-03-12 16:23:07,030 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-03-12 16:23:07,209 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-03-12 16:23:07,977 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-03-12 16:23:09,342 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-03-12 16:23:10,810 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-03-12 16:23:13,685 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-03-12 16:23:15,383 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-12 16:23:17,094 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-12 16:23:18,914 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-03-12 16:23:21,038 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-03-12 16:23:23,110 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-03-12 16:23:24,291 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-03-12 16:23:26,197 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-03-12 16:23:27,289 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-03-12 16:23:29,229 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-03-12 16:23:30,092 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-03-12 16:23:32,019 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-03-12 16:23:33,190 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-03-12 16:23:33,599 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-03-12 16:23:33,980 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-03-12 16:23:34,314 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-03-12 16:23:34,545 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-03-12 16:23:35,351 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-03-12 16:23:35,591 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-03-12 16:23:36,901 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-03-12 16:23:37,021 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-03-12 16:23:38,452 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-03-12 16:23:38,940 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-03-12 16:23:39,123 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-03-12 16:23:39,731 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-03-12 16:23:40,294 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-03-12 16:23:40,981 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-03-12 16:23:41,203 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-03-12 16:23:41,396 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-03-12 16:23:41,560 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-03-12 16:23:41,706 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-03-12 16:23:43,403 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-03-12 16:23:43,649 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-03-12 16:23:43,969 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-03-12 16:23:44,290 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-03-12 16:23:44,462 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-03-12 16:23:44,595 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-03-12 16:23:46,264 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-03-12 16:23:46,437 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-03-12 16:23:46,630 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-03-12 16:23:47,011 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-03-12 16:23:47,474 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-03-12 16:23:48,253 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-03-12 16:23:48,490 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-03-12 16:23:49,749 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-03-12 16:23:51,636 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-03-12 16:23:51,817 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-03-12 16:23:52,114 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-03-12 16:23:52,252 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-03-12 16:23:52,394 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-03-12 16:23:53,745 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-03-12 16:23:53,915 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-03-12 16:23:54,178 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-03-12 16:23:54,463 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-03-12 16:23:54,594 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-03-12 16:23:54,709 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-03-12 16:23:55,994 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-03-12 16:23:56,262 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-03-12 16:23:56,936 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-03-12 16:23:57,629 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-03-12 16:23:58,370 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-03-12 16:23:59,721 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-03-12 16:24:01,714 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-03-12 16:24:03,199 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-03-12 16:24:04,466 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-03-12 16:24:05,832 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-03-12 16:24:07,383 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-03-12 16:24:08,266 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-03-12 16:24:09,116 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-03-12 16:24:11,485 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-03-12 16:24:11,676 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-03-12 16:24:12,993 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-03-12 16:24:13,956 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-03-12 16:24:14,432 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-03-12 16:24:15,751 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-03-12 16:24:16,075 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-03-12 16:24:16,353 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-03-12 16:24:16,877 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-03-12 16:24:18,178 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-03-12 16:24:20,159 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-03-12 16:24:20,303 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-03-12 16:24:20,465 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-03-12 16:24:20,910 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-03-12 16:24:21,322 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-03-12 16:24:21,782 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-03-12 16:24:21,941 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-03-12 16:24:22,075 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-03-12 16:24:22,209 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-03-12 16:24:23,571 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-03-12 16:24:24,229 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-03-12 16:24:24,362 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-03-12 16:24:25,829 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-03-12 16:24:26,001 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-03-12 16:24:26,169 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-03-12 16:24:26,503 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-03-12 16:24:26,888 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-03-12 16:24:27,222 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-03-12 16:24:27,538 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-03-12 16:24:28,082 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-03-12 16:24:28,205 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-03-12 16:24:28,312 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-03-12 16:24:30,217 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-03-12 16:24:30,337 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-03-12 16:24:30,459 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 712 [2021-03-12 16:24:32,811 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-03-12 16:24:33,005 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-03-12 16:24:33,776 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-03-12 16:24:34,409 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-03-12 16:24:35,509 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-03-12 16:24:36,822 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-03-12 16:24:38,223 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-03-12 16:24:39,399 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-03-12 16:24:41,945 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-03-12 16:24:44,708 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-12 16:24:47,489 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-12 16:24:50,311 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-03-12 16:24:51,736 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-03-12 16:24:52,826 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-03-12 16:24:53,448 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-03-12 16:24:53,918 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-03-12 16:24:54,359 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-03-12 16:24:54,777 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-03-12 16:24:56,251 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-03-12 16:24:57,475 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-03-12 16:24:57,914 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-03-12 16:24:58,072 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-03-12 16:24:58,272 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-12 16:24:58,471 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-12 16:24:58,790 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-03-12 16:24:59,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:24:59,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:24:59,959 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:24:59,960 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-03-12 16:24:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:24:59,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:24:59,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-03-12 16:24:59,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765577228] [2021-03-12 16:24:59,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-12 16:24:59,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:24:59,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-12 16:24:59,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-03-12 16:24:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:24:59,966 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:24:59,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 states have internal predecessors, (44), 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) [2021-03-12 16:24:59,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:24:59,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:24:59,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:24:59,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:24:59,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:25:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:25:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:25:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:25:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:25:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:25:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:25:00,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2767 [2021-03-12 16:25:00,744 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:25:00,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:25:00,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1334519192, now seen corresponding path program 12 times [2021-03-12 16:25:00,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:25:00,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666530794] [2021-03-12 16:25:00,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:25:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:25:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:25:00,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666530794] [2021-03-12 16:25:00,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345671103] [2021-03-12 16:25:00,884 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 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 [2021-03-12 16:25:00,910 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 16:25:00,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:25:00,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-12 16:25:00,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:25:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:25:00,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:25:00,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-03-12 16:25:00,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667068917] [2021-03-12 16:25:00,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 16:25:00,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:25:00,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 16:25:00,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-03-12 16:25:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:25:00,975 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:25:00,975 INFO L481 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) [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:25:00,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:25:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:25:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:25:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:25:01,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18747,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:25:01,383 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:25:01,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:25:01,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1606203431, now seen corresponding path program 13 times [2021-03-12 16:25:01,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:25:01,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256394314] [2021-03-12 16:25:01,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:25:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:25:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:25:01,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256394314] [2021-03-12 16:25:01,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114068887] [2021-03-12 16:25:01,665 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 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 [2021-03-12 16:25:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:25:01,688 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 59 conjunts are in the unsatisfiable core [2021-03-12 16:25:01,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:25:02,657 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-03-12 16:25:02,657 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:25:02,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-03-12 16:25:04,972 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1164 [2021-03-12 16:25:05,083 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-03-12 16:25:05,201 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-12 16:25:05,320 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-12 16:25:05,456 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-03-12 16:25:05,668 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-03-12 16:25:05,889 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-03-12 16:25:06,117 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-03-12 16:25:06,311 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-03-12 16:25:06,429 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-03-12 16:25:08,122 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-03-12 16:25:08,435 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-03-12 16:25:10,610 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-03-12 16:25:14,063 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-03-12 16:25:14,209 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-03-12 16:25:14,438 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-03-12 16:25:14,839 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-03-12 16:25:15,237 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-03-12 16:25:15,827 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-03-12 16:25:16,439 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-03-12 16:25:18,756 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-03-12 16:25:18,955 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-03-12 16:25:20,083 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-03-12 16:25:20,328 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-03-12 16:25:21,082 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-03-12 16:25:22,639 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-03-12 16:25:22,793 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-03-12 16:25:23,061 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-03-12 16:25:23,263 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-03-12 16:25:25,040 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-03-12 16:25:25,196 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-03-12 16:25:25,358 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-03-12 16:25:25,519 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-03-12 16:25:28,837 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-03-12 16:25:30,815 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-03-12 16:25:31,205 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-03-12 16:25:31,646 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-03-12 16:25:32,179 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-03-12 16:25:32,873 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-03-12 16:25:33,776 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-03-12 16:25:34,607 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-03-12 16:25:35,844 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-03-12 16:25:38,256 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-03-12 16:25:39,562 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-03-12 16:25:39,819 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-03-12 16:25:40,419 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-03-12 16:25:41,542 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-03-12 16:25:43,523 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-03-12 16:25:43,767 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-03-12 16:25:43,915 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-03-12 16:25:44,094 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-03-12 16:25:44,247 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-03-12 16:25:44,422 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-03-12 16:25:44,601 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-03-12 16:25:44,775 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-03-12 16:25:44,959 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-03-12 16:25:48,694 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-03-12 16:25:48,868 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-03-12 16:25:49,142 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-03-12 16:25:49,401 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-03-12 16:25:49,694 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-03-12 16:25:49,848 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-03-12 16:25:53,438 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-03-12 16:25:53,635 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-03-12 16:25:54,146 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-03-12 16:25:54,751 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-03-12 16:25:55,416 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-03-12 16:25:56,198 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-03-12 16:25:58,986 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-03-12 16:25:59,194 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-03-12 16:25:59,446 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-03-12 16:25:59,707 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-03-12 16:26:00,778 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-03-12 16:26:01,980 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-03-12 16:26:05,095 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-03-12 16:26:05,232 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-03-12 16:26:05,384 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-03-12 16:26:05,571 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-03-12 16:26:05,803 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-03-12 16:26:07,290 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-03-12 16:26:07,840 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-03-12 16:26:08,215 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-03-12 16:26:08,646 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-03-12 16:26:10,179 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-03-12 16:26:10,354 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-03-12 16:26:10,606 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-03-12 16:26:10,725 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-03-12 16:26:12,082 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-03-12 16:26:12,231 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-03-12 16:26:12,402 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-03-12 16:26:14,254 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-03-12 16:26:14,369 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-03-12 16:26:15,408 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-03-12 16:26:15,598 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-03-12 16:26:18,032 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-03-12 16:26:18,192 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-03-12 16:26:18,365 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-03-12 16:26:19,797 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 683 [2021-03-12 16:26:20,069 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-03-12 16:26:20,361 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-03-12 16:26:20,889 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-03-12 16:26:21,529 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-03-12 16:26:22,225 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-03-12 16:26:23,306 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-03-12 16:26:26,253 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-03-12 16:26:26,403 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-03-12 16:26:29,554 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-03-12 16:26:29,745 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-03-12 16:26:29,990 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-03-12 16:26:30,343 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-03-12 16:26:30,735 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-03-12 16:26:32,499 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-03-12 16:26:33,038 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-03-12 16:26:33,578 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-03-12 16:26:34,817 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-03-12 16:26:37,680 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-03-12 16:26:42,518 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-12 16:26:47,406 WARN L205 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-12 16:26:52,700 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-03-12 16:26:56,243 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-03-12 16:27:01,119 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-03-12 16:27:02,979 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-03-12 16:27:05,325 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-03-12 16:27:06,813 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-03-12 16:27:07,428 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-03-12 16:27:07,775 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-03-12 16:27:08,052 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-03-12 16:27:08,269 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-03-12 16:27:08,438 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-03-12 16:27:08,560 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-03-12 16:27:08,682 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-03-12 16:27:08,817 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-03-12 16:27:12,090 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-03-12 16:27:12,209 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-03-12 16:27:12,793 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-03-12 16:27:12,954 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-03-12 16:27:13,127 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-03-12 16:27:14,910 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-03-12 16:27:15,209 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-03-12 16:27:15,533 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-03-12 16:27:15,764 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-03-12 16:27:16,023 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-03-12 16:27:16,228 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-03-12 16:27:18,512 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-03-12 16:27:18,676 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-03-12 16:27:18,795 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-03-12 16:27:21,706 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-03-12 16:27:21,846 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-03-12 16:27:22,010 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-03-12 16:27:22,303 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-03-12 16:27:22,597 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-03-12 16:27:22,940 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-03-12 16:27:23,269 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-03-12 16:27:23,890 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-03-12 16:27:24,548 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-03-12 16:27:25,604 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-03-12 16:27:26,709 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-03-12 16:27:29,103 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-12 16:27:31,504 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-12 16:27:34,004 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-03-12 16:27:34,677 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-03-12 16:27:35,254 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-03-12 16:27:35,669 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-03-12 16:27:36,064 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-03-12 16:27:36,329 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-03-12 16:27:36,595 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-03-12 16:27:36,760 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-03-12 16:27:36,923 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-03-12 16:27:37,075 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-03-12 16:27:37,185 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 723 [2021-03-12 16:27:37,765 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-03-12 16:27:38,681 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 628 [2021-03-12 16:27:39,294 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-03-12 16:27:39,415 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-03-12 16:27:39,571 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-03-12 16:27:39,734 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-03-12 16:27:40,674 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-03-12 16:27:41,188 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-03-12 16:27:41,459 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-03-12 16:27:41,712 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-03-12 16:27:41,927 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-03-12 16:27:42,145 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-03-12 16:27:42,352 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-03-12 16:27:42,477 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-03-12 16:27:42,666 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-03-12 16:27:43,722 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-03-12 16:27:44,845 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1690 DAG size of output: 727 [2021-03-12 16:27:45,539 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-03-12 16:27:45,906 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-12 16:27:46,312 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-12 16:27:46,700 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-03-12 16:27:46,975 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-03-12 16:27:47,180 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-03-12 16:27:49,664 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-03-12 16:27:49,786 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-03-12 16:27:52,667 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-03-12 16:27:53,942 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 956 DAG size of output: 430 [2021-03-12 16:27:54,670 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 868 [2021-03-12 16:27:57,548 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-03-12 16:27:57,672 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-03-12 16:27:57,820 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-03-12 16:27:58,976 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-03-12 16:27:59,253 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-03-12 16:27:59,786 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-03-12 16:28:00,326 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-12 16:28:00,893 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-12 16:28:01,469 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-03-12 16:28:01,805 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-03-12 16:28:02,113 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-03-12 16:28:02,271 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-03-12 16:28:03,131 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 629 [2021-03-12 16:28:03,242 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-03-12 16:28:04,044 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-03-12 16:28:04,216 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-12 16:28:04,418 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-12 16:28:04,596 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-03-12 16:28:04,750 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-03-12 16:28:04,857 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 597 [2021-03-12 16:28:05,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:28:05,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:28:05,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:28:05,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-03-12 16:28:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:28:05,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:28:05,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-03-12 16:28:05,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755908020] [2021-03-12 16:28:05,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-03-12 16:28:05,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:28:05,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-03-12 16:28:05,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1386, Unknown=0, NotChecked=0, Total=1482 [2021-03-12 16:28:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:28:05,391 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:28:05,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 38 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:28:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:28:05,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:28:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:28:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 16:28:06,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18748,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:28:06,299 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:28:06,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:28:06,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1538130533, now seen corresponding path program 14 times [2021-03-12 16:28:06,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:28:06,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248472536] [2021-03-12 16:28:06,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:28:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:28:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:28:06,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248472536] [2021-03-12 16:28:06,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728008302] [2021-03-12 16:28:06,670 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 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 [2021-03-12 16:28:06,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:28:06,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:28:06,695 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 80 conjunts are in the unsatisfiable core [2021-03-12 16:28:06,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:28:07,749 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-03-12 16:28:07,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:28:07,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-03-12 16:28:12,204 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-03-12 16:28:12,346 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-03-12 16:28:12,533 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-03-12 16:28:12,781 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-12 16:28:13,039 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-12 16:28:13,333 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-03-12 16:28:13,542 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-03-12 16:28:13,811 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-03-12 16:28:14,020 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-03-12 16:28:14,212 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-03-12 16:28:14,350 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-03-12 16:28:14,498 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-03-12 16:28:14,614 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-03-12 16:28:14,744 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-03-12 16:28:14,856 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-03-12 16:28:15,854 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2021-03-12 16:28:17,522 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-03-12 16:28:18,886 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-03-12 16:28:19,084 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-03-12 16:28:19,295 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-03-12 16:28:19,516 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-03-12 16:28:19,791 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-03-12 16:28:20,043 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-03-12 16:28:20,333 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-03-12 16:28:20,496 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-03-12 16:28:20,705 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-03-12 16:28:20,832 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 1145 [2021-03-12 16:28:21,038 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-03-12 16:28:22,983 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-03-12 16:28:23,133 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-03-12 16:28:23,578 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-03-12 16:28:24,093 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-12 16:28:24,575 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-12 16:28:25,206 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-03-12 16:28:25,666 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-03-12 16:28:26,091 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-03-12 16:28:26,472 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-03-12 16:28:26,867 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-03-12 16:28:27,310 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-03-12 16:28:27,606 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-03-12 16:28:27,763 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-03-12 16:28:29,605 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-03-12 16:28:32,254 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-03-12 16:28:32,448 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-03-12 16:28:32,755 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-03-12 16:28:33,129 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-03-12 16:28:33,482 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-03-12 16:28:33,858 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-03-12 16:28:34,305 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-03-12 16:28:34,747 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-12 16:28:35,193 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-12 16:28:35,698 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-03-12 16:28:36,180 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-03-12 16:28:36,758 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-03-12 16:28:37,158 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-03-12 16:28:37,417 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-03-12 16:28:37,549 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-03-12 16:28:38,029 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-03-12 16:28:38,159 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-03-12 16:28:38,288 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-03-12 16:28:40,962 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-03-12 16:28:41,086 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-03-12 16:28:41,221 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-03-12 16:28:41,437 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-03-12 16:28:41,640 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-03-12 16:28:41,843 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-03-12 16:28:42,029 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-03-12 16:28:42,670 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-03-12 16:28:42,909 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-03-12 16:28:43,071 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-03-12 16:28:44,522 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 875 [2021-03-12 16:28:45,802 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-03-12 16:28:45,976 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-03-12 16:28:46,207 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-03-12 16:28:46,535 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-03-12 16:28:46,776 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-03-12 16:28:47,241 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-03-12 16:28:47,773 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-03-12 16:28:47,976 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-03-12 16:28:48,171 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-03-12 16:28:48,760 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-03-12 16:28:48,890 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-03-12 16:28:49,060 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-03-12 16:28:49,172 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-03-12 16:28:49,281 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 924 [2021-03-12 16:28:50,596 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-03-12 16:28:50,871 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-03-12 16:28:51,050 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-03-12 16:28:52,397 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-03-12 16:28:52,734 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-03-12 16:28:52,927 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-03-12 16:28:53,152 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-03-12 16:28:53,385 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-03-12 16:28:53,646 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-03-12 16:28:54,043 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-03-12 16:28:54,212 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-03-12 16:28:54,518 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-03-12 16:28:54,915 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-03-12 16:28:55,064 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-03-12 16:28:55,281 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-03-12 16:28:55,441 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-03-12 16:28:56,764 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-03-12 16:28:56,878 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-03-12 16:28:58,159 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-03-12 16:28:58,293 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-03-12 16:28:58,538 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-03-12 16:28:58,849 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-03-12 16:28:59,375 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-03-12 16:29:00,380 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-03-12 16:29:01,453 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-12 16:29:02,489 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-12 16:29:03,587 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-03-12 16:29:04,123 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-03-12 16:29:04,493 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-03-12 16:29:04,764 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-03-12 16:29:06,604 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-03-12 16:29:06,752 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-03-12 16:29:08,940 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-03-12 16:29:09,180 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-03-12 16:29:09,863 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-03-12 16:29:10,122 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-12 16:29:10,408 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-12 16:29:10,670 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-03-12 16:29:10,797 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-03-12 16:29:11,332 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:29:11,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:29:11,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:29:11,334 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-03-12 16:29:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:29:11,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:29:11,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2021-03-12 16:29:11,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724061146] [2021-03-12 16:29:11,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-03-12 16:29:11,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:29:11,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-03-12 16:29:11,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1540, Unknown=0, NotChecked=0, Total=1640 [2021-03-12 16:29:11,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:29:11,340 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:29:11,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 16:29:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:29:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:29:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 16:29:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 16:29:12,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42160 [2021-03-12 16:29:12,177 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:29:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:29:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash -228235609, now seen corresponding path program 15 times [2021-03-12 16:29:12,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:29:12,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478298664] [2021-03-12 16:29:12,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:29:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:29:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:29:12,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478298664] [2021-03-12 16:29:12,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628986687] [2021-03-12 16:29:12,458 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 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 [2021-03-12 16:29:12,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-03-12 16:29:12,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:29:12,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 64 conjunts are in the unsatisfiable core [2021-03-12 16:29:12,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:29:13,705 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-03-12 16:29:13,706 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:29:13,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-03-12 16:29:16,868 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-03-12 16:29:18,805 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 948 [2021-03-12 16:29:20,442 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 818 [2021-03-12 16:29:20,765 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-03-12 16:29:21,066 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-12 16:29:21,373 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-12 16:29:21,753 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-03-12 16:29:22,409 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-03-12 16:29:23,082 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-03-12 16:29:23,395 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-03-12 16:29:23,529 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-03-12 16:29:23,667 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-03-12 16:29:23,810 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-03-12 16:29:23,936 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-03-12 16:29:24,067 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-03-12 16:29:24,208 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-03-12 16:29:25,581 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 569 [2021-03-12 16:29:27,028 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-03-12 16:29:27,211 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-03-12 16:29:28,710 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-03-12 16:29:31,884 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-03-12 16:29:32,095 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-03-12 16:29:32,584 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-03-12 16:29:32,828 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 498 [2021-03-12 16:29:35,366 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-03-12 16:29:35,556 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-03-12 16:29:37,881 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-03-12 16:29:38,192 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-03-12 16:29:39,055 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-03-12 16:29:40,106 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 510 [2021-03-12 16:29:43,523 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-03-12 16:29:43,758 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-03-12 16:29:46,261 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-03-12 16:29:48,390 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-03-12 16:29:48,715 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-03-12 16:29:49,237 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-03-12 16:29:49,923 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-03-12 16:29:50,046 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 539 [2021-03-12 16:29:52,056 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-03-12 16:29:52,529 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-03-12 16:29:54,892 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-03-12 16:29:55,753 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-03-12 16:29:56,187 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-03-12 16:29:58,027 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-03-12 16:29:59,665 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-03-12 16:30:00,268 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-03-12 16:30:00,962 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-03-12 16:30:02,312 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-03-12 16:30:03,785 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-03-12 16:30:06,122 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-03-12 16:30:08,993 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-03-12 16:30:10,025 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 718 [2021-03-12 16:30:11,426 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 625 [2021-03-12 16:30:11,601 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-03-12 16:30:13,160 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-03-12 16:30:13,469 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-03-12 16:30:16,357 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-03-12 16:30:19,467 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-03-12 16:30:22,716 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-03-12 16:30:26,271 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-03-12 16:30:26,485 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-03-12 16:30:31,517 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-03-12 16:30:31,685 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-03-12 16:30:33,300 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 990 [2021-03-12 16:30:35,484 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-03-12 16:30:35,734 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-03-12 16:30:36,164 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-03-12 16:30:38,812 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-03-12 16:30:38,980 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-03-12 16:30:41,378 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-03-12 16:30:41,708 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-03-12 16:30:44,111 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-03-12 16:30:46,473 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-03-12 16:30:48,356 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-03-12 16:30:48,501 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-03-12 16:30:48,830 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-03-12 16:30:49,289 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-03-12 16:30:50,140 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-03-12 16:30:51,973 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-03-12 16:30:53,004 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 789 [2021-03-12 16:30:53,192 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-03-12 16:30:55,610 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-03-12 16:30:55,995 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-03-12 16:30:57,681 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-03-12 16:31:00,530 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-03-12 16:31:01,454 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-03-12 16:31:03,413 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-03-12 16:31:06,263 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-03-12 16:31:07,933 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-03-12 16:31:08,413 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-03-12 16:31:10,662 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-03-12 16:31:13,623 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-03-12 16:31:13,856 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-03-12 16:31:14,696 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-03-12 16:31:17,309 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-03-12 16:31:20,194 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-03-12 16:31:23,202 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-03-12 16:31:26,443 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-03-12 16:31:29,849 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-03-12 16:31:33,489 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-03-12 16:31:38,189 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-03-12 16:31:45,549 WARN L205 SmtUtils]: Spent 7.26 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-03-12 16:31:45,794 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-03-12 16:31:45,925 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-03-12 16:31:46,042 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-03-12 16:31:46,157 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-03-12 16:31:50,169 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 862 [2021-03-12 16:31:51,273 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-03-12 16:31:51,534 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-03-12 16:31:55,609 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-03-12 16:31:55,766 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-03-12 16:31:56,135 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-03-12 16:31:56,655 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-03-12 16:31:58,148 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-03-12 16:31:59,897 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-03-12 16:32:01,327 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-03-12 16:32:01,731 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-03-12 16:32:01,985 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-03-12 16:32:03,605 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-03-12 16:32:04,801 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-03-12 16:32:07,051 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-03-12 16:32:07,455 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-03-12 16:32:08,087 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-03-12 16:32:08,783 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-03-12 16:32:10,167 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-03-12 16:32:13,874 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-03-12 16:32:14,092 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-03-12 16:32:14,403 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-03-12 16:32:14,748 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-03-12 16:32:17,396 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-03-12 16:32:17,598 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-03-12 16:32:19,856 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-03-12 16:32:20,273 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-03-12 16:32:20,697 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-03-12 16:32:21,427 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-03-12 16:32:24,132 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-03-12 16:32:25,906 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-03-12 16:32:26,174 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-03-12 16:32:30,427 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-03-12 16:32:30,594 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-03-12 16:32:30,917 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-03-12 16:32:31,511 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-03-12 16:32:32,259 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-03-12 16:32:33,704 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-03-12 16:32:36,602 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-03-12 16:32:37,902 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 673 [2021-03-12 16:32:39,604 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-03-12 16:32:42,130 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-03-12 16:32:42,527 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-03-12 16:32:45,954 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-03-12 16:32:50,877 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-03-12 16:32:56,092 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-03-12 16:33:00,299 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-03-12 16:33:04,671 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-03-12 16:33:09,294 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-03-12 16:33:09,493 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-03-12 16:33:10,959 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-03-12 16:33:14,833 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-03-12 16:33:17,550 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-03-12 16:33:19,391 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-03-12 16:33:21,386 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-03-12 16:33:21,974 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-03-12 16:33:23,887 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-03-12 16:33:25,876 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-03-12 16:33:26,119 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-03-12 16:33:28,547 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-03-12 16:33:30,788 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-03-12 16:33:31,070 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-03-12 16:33:32,229 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-03-12 16:33:33,758 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-03-12 16:33:35,244 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-03-12 16:33:38,598 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-03-12 16:33:40,692 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-03-12 16:33:40,958 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-03-12 16:33:42,905 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-03-12 16:33:45,362 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-03-12 16:33:45,892 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-03-12 16:33:46,532 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-03-12 16:33:47,219 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-03-12 16:33:49,129 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-03-12 16:33:50,637 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-03-12 16:33:50,880 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-03-12 16:33:53,165 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-03-12 16:33:53,343 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-03-12 16:33:53,817 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-03-12 16:33:55,322 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 775 [2021-03-12 16:33:56,414 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-03-12 16:33:57,936 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 658 [2021-03-12 16:33:58,063 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-03-12 16:33:58,187 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-03-12 16:33:58,503 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-03-12 16:33:59,309 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-03-12 16:34:00,777 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-03-12 16:34:03,678 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-03-12 16:34:05,681 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-03-12 16:34:07,544 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-03-12 16:34:07,843 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-03-12 16:34:11,062 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-03-12 16:34:14,521 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-03-12 16:34:19,188 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-03-12 16:34:23,155 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-03-12 16:34:31,889 WARN L205 SmtUtils]: Spent 8.62 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-03-12 16:34:41,099 WARN L205 SmtUtils]: Spent 9.03 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-03-12 16:34:57,974 WARN L205 SmtUtils]: Spent 16.67 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-03-12 16:35:15,641 WARN L205 SmtUtils]: Spent 17.31 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-03-12 16:35:16,167 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 833 [2021-03-12 16:35:19,114 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-03-12 16:35:22,532 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-03-12 16:35:25,641 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-03-12 16:35:25,851 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-03-12 16:35:26,249 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-03-12 16:35:28,347 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-03-12 16:35:30,140 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-03-12 16:35:32,223 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-03-12 16:35:34,158 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-03-12 16:35:34,407 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-03-12 16:35:34,907 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-03-12 16:35:35,883 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-03-12 16:35:37,941 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-03-12 16:35:39,307 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-03-12 16:35:45,124 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-03-12 16:35:45,465 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 [2021-03-12 16:35:49,198 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 852 [2021-03-12 16:35:49,414 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1694 DAG size of output: 1421 [2021-03-12 16:35:51,356 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 1010 [2021-03-12 16:35:53,058 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1662 DAG size of output: 1507 [2021-03-12 16:35:53,541 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2968 DAG size of output: 2614 [2021-03-12 16:35:54,447 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 4476 DAG size of output: 4129 [2021-03-12 16:35:56,419 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 4811 DAG size of output: 4441 [2021-03-12 16:35:57,472 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 5104 DAG size of output: 4605 [2021-03-12 16:35:59,658 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 8904 DAG size of output: 7925 [2021-03-12 16:36:02,108 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 10245 DAG size of output: 8713 [2021-03-12 16:36:04,803 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 10495 DAG size of output: 8927 [2021-03-12 16:36:08,122 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 892 [2021-03-12 16:36:09,849 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 697 [2021-03-12 16:36:09,973 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 706 [2021-03-12 16:36:10,267 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1388 [2021-03-12 16:36:10,636 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 2494 DAG size of output: 1902 [2021-03-12 16:36:11,313 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 644 [2021-03-12 16:36:12,947 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 788 [2021-03-12 16:36:14,630 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 1303 [2021-03-12 16:36:14,888 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1472 [2021-03-12 16:36:17,328 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 953 Received shutdown request... [2021-03-12 16:36:17,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51164,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:36:17,936 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 16:36:17,948 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 16:36:17,948 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 04:36:17 BasicIcfg [2021-03-12 16:36:17,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 16:36:17,948 INFO L168 Benchmark]: Toolchain (without parser) took 846070.97 ms. Allocated memory was 255.9 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 236.6 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-03-12 16:36:17,949 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 16:36:17,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.17 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 16:36:17,949 INFO L168 Benchmark]: Boogie Preprocessor took 19.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 854.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 16:36:17,949 INFO L168 Benchmark]: RCFGBuilder took 441.68 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 230.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.0 GB. [2021-03-12 16:36:17,949 INFO L168 Benchmark]: TraceAbstraction took 845581.10 ms. Allocated memory was 255.9 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 230.0 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-03-12 16:36:17,949 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 0.16 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.17 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 854.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 441.68 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 230.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 845581.10 ms. Allocated memory was 255.9 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 230.0 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 2.7 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: 1093, positive: 692, positive conditional: 692, positive unconditional: 0, negative: 401, negative conditional: 401, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 692, positive: 692, positive conditional: 692, 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: 692, positive: 692, positive conditional: 0, positive unconditional: 692, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 692, positive: 684, positive conditional: 0, positive unconditional: 684, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 401 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 61). Cancelled while PartialOrderCegarLoop was analyzing trace of length 29 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 845462.0ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 5388.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 268, 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: 81.4ms SsaConstructionTime, 355.5ms SatisfiabilityAnalysisTime, 409776.9ms InterpolantComputationTime, 656 NumberOfCodeBlocks, 656 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 8818 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1292 ConjunctsInSsa, 584 ConjunctsInUnsatCore, 35 InterpolantComputations, 1 PerfectInterpolantSequences, 214/1330 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