/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 20:42:01,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 20:42:01,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 20:42:01,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 20:42:01,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 20:42:01,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 20:42:01,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 20:42:01,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 20:42:01,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 20:42:01,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 20:42:01,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 20:42:01,484 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 20:42:01,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 20:42:01,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 20:42:01,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 20:42:01,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 20:42:01,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 20:42:01,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 20:42:01,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 20:42:01,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:42:01,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 20:42:01,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 20:42:01,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 20:42:01,488 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 20:42:01,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 20:42:01,488 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 20:42:01,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 20:42:01,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 20:42:01,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 20:42:01,753 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 20:42:01,754 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 20:42:01,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-06-06 20:42:01,755 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-06-06 20:42:01,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 20:42:01,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 20:42:01,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 20:42:01,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 20:42:01,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 20:42:01,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 20:42:01,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 20:42:01,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 20:42:01,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 20:42:01,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... [2021-06-06 20:42:01,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 20:42:01,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 20:42:01,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 20:42:01,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 20:42:01,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:42:01,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 20:42:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 20:42:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 20:42:01,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 20:42:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 20:42:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 20:42:01,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 20:42:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 20:42:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 20:42:01,887 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 20:42:02,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 20:42:02,073 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 20:42:02,073 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 20:42:02,074 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 20:42:02,075 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:42:02 BoogieIcfgContainer [2021-06-06 20:42:02,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 20:42:02,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 20:42:02,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 20:42:02,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 20:42:02,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:01" (1/2) ... [2021-06-06 20:42:02,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f395d1 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:42:02, skipping insertion in model container [2021-06-06 20:42:02,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:42:02" (2/2) ... [2021-06-06 20:42:02,080 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-06 20:42:02,083 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 20:42:02,083 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 20:42:02,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 20:42:02,084 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 20:42:02,106 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 20:42:02,120 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:42:02,148 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:42:02,148 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:42:02,148 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:42:02,148 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:42:02,148 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:42:02,148 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:42:02,160 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:42:02,160 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 20:42:02,177 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:02,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:02,180 INFO L82 PathProgramCache]: Analyzing trace with hash -525039273, now seen corresponding path program 1 times [2021-06-06 20:42:02,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:02,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186736714] [2021-06-06 20:42:02,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:02,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:02,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186736714] [2021-06-06 20:42:02,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186736714] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:42:02,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:42:02,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 20:42:02,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215022089] [2021-06-06 20:42:02,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:42:02,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:02,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:42:02,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:42:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:02,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 20:42:02,306 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:02,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:02,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1892497481, now seen corresponding path program 1 times [2021-06-06 20:42:02,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:02,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693042312] [2021-06-06 20:42:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:02,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:02,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693042312] [2021-06-06 20:42:02,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693042312] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904725821] [2021-06-06 20:42:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 20:42:02,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:02,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904725821] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:02,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-06 20:42:02,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986730301] [2021-06-06 20:42:02,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 20:42:02,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:02,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 20:42:02,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 20:42:02,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,447 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:02,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,685 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:02,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1324319552, now seen corresponding path program 1 times [2021-06-06 20:42:02,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:02,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652531743] [2021-06-06 20:42:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:02,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:02,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652531743] [2021-06-06 20:42:02,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652531743] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976295825] [2021-06-06 20:42:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-06 20:42:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 20:42:02,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:02,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976295825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:02,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 20:42:02,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849985656] [2021-06-06 20:42:02,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:42:02,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:02,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:42:02,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:42:02,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:02,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:02,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,081 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:03,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:03,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1456974240, now seen corresponding path program 2 times [2021-06-06 20:42:03,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:03,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846286553] [2021-06-06 20:42:03,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:03,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:03,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846286553] [2021-06-06 20:42:03,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846286553] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341666075] [2021-06-06 20:42:03,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:42:03,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:03,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 20:42:03,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:03,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341666075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:03,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-06 20:42:03,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322820907] [2021-06-06 20:42:03,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 20:42:03,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:03,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 20:42:03,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 20:42:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,217 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:03,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:03,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,445 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:03,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1274302272, now seen corresponding path program 3 times [2021-06-06 20:42:03,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:03,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021314952] [2021-06-06 20:42:03,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:03,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:03,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021314952] [2021-06-06 20:42:03,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021314952] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256474890] [2021-06-06 20:42:03,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 20:42:03,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:03,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 20:42:03,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:03,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256474890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:03,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-06 20:42:03,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78060639] [2021-06-06 20:42:03,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 20:42:03,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:03,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 20:42:03,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-06 20:42:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:03,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:03,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,846 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:03,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:03,846 INFO L82 PathProgramCache]: Analyzing trace with hash -93561440, now seen corresponding path program 4 times [2021-06-06 20:42:03,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:03,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511401596] [2021-06-06 20:42:03,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:03,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:03,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511401596] [2021-06-06 20:42:03,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511401596] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606600616] [2021-06-06 20:42:03,887 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,955 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:42:03,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:03,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 20:42:03,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:04,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:04,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-06 20:42:04,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:42:04,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:04,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:42:04,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-06 20:42:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:04,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606600616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:04,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-06 20:42:04,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963720753] [2021-06-06 20:42:04,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 20:42:04,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:04,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 20:42:04,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-06 20:42:04,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:04,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:04,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:04,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:04,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:04,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:04,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:04,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:04,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:04,409 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:04,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:04,409 INFO L82 PathProgramCache]: Analyzing trace with hash 452336448, now seen corresponding path program 5 times [2021-06-06 20:42:04,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:04,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100691125] [2021-06-06 20:42:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:04,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:04,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100691125] [2021-06-06 20:42:04,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100691125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426648468] [2021-06-06 20:42:04,461 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:04,489 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 20:42:04,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:04,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 20:42:04,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:04,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426648468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:04,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-06 20:42:04,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447283135] [2021-06-06 20:42:04,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 20:42:04,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:04,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 20:42:04,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-06 20:42:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:04,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:04,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:04,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:04,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 20:42:04,835 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:04,835 INFO L82 PathProgramCache]: Analyzing trace with hash 999727319, now seen corresponding path program 6 times [2021-06-06 20:42:04,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:04,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100903600] [2021-06-06 20:42:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:04,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:04,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100903600] [2021-06-06 20:42:04,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100903600] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038860093] [2021-06-06 20:42:04,925 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:04,975 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 20:42:04,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:04,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 20:42:04,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:05,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038860093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:05,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:05,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-06 20:42:05,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799289351] [2021-06-06 20:42:05,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 20:42:05,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:05,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 20:42:05,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-06-06 20:42:05,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:05,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:05,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:05,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:05,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 20:42:05,365 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:05,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:05,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1621587575, now seen corresponding path program 7 times [2021-06-06 20:42:05,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:05,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75116854] [2021-06-06 20:42:05,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:05,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:05,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75116854] [2021-06-06 20:42:05,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75116854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:05,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989308467] [2021-06-06 20:42:05,441 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:05,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 20:42:05,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:05,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989308467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:05,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:05,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-06 20:42:05,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030154065] [2021-06-06 20:42:05,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 20:42:05,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:05,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 20:42:05,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-06 20:42:05,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:05,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:05,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:05,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:05,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 20:42:05,898 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:05,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:05,898 INFO L82 PathProgramCache]: Analyzing trace with hash -575580969, now seen corresponding path program 8 times [2021-06-06 20:42:05,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:05,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916964234] [2021-06-06 20:42:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:06,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:06,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916964234] [2021-06-06 20:42:06,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916964234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:06,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965859032] [2021-06-06 20:42:06,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:06,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:42:06,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:06,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 20:42:06,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:06,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965859032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:06,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:06,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-06 20:42:06,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489788665] [2021-06-06 20:42:06,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 20:42:06,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:06,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 20:42:06,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-06 20:42:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:06,156 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:06,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:06,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:06,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:06,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 20:42:06,493 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:06,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:06,493 INFO L82 PathProgramCache]: Analyzing trace with hash 31670903, now seen corresponding path program 9 times [2021-06-06 20:42:06,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:06,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164044546] [2021-06-06 20:42:06,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:06,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:06,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164044546] [2021-06-06 20:42:06,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164044546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:06,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168945773] [2021-06-06 20:42:06,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:06,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 20:42:06,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:06,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 20:42:06,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:06,853 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:06,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-06 20:42:07,763 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-06 20:42:09,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:42:09,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:09,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:42:09,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-06 20:42:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:09,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168945773] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:09,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:09,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-06-06 20:42:09,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322559259] [2021-06-06 20:42:09,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 20:42:09,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:09,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 20:42:09,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-06 20:42:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:09,202 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:09,202 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 20:42:09,485 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:09,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1676609751, now seen corresponding path program 10 times [2021-06-06 20:42:09,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:09,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948513325] [2021-06-06 20:42:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:09,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:09,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948513325] [2021-06-06 20:42:09,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948513325] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:09,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809965986] [2021-06-06 20:42:09,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:09,622 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:42:09,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:09,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 20:42:09,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:09,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809965986] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:09,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:09,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 20:42:09,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687774309] [2021-06-06 20:42:09,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 20:42:09,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:09,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 20:42:09,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-06 20:42:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:09,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:09,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:09,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:09,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:10,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:10,005 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:10,005 INFO L82 PathProgramCache]: Analyzing trace with hash 297494048, now seen corresponding path program 11 times [2021-06-06 20:42:10,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:10,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702262749] [2021-06-06 20:42:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 20:42:10,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:10,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702262749] [2021-06-06 20:42:10,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702262749] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:10,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083683652] [2021-06-06 20:42:10,144 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:10,175 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 20:42:10,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:10,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 20:42:10,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 20:42:10,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083683652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:10,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:10,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 20:42:10,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011828099] [2021-06-06 20:42:10,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 20:42:10,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:10,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 20:42:10,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-06-06 20:42:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:10,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:10,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:10,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 20:42:10,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-06 20:42:10,741 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:10,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:10,741 INFO L82 PathProgramCache]: Analyzing trace with hash 535762048, now seen corresponding path program 12 times [2021-06-06 20:42:10,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:10,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321685447] [2021-06-06 20:42:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 20:42:10,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:10,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321685447] [2021-06-06 20:42:10,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321685447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:10,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897900182] [2021-06-06 20:42:10,866 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:10,915 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 20:42:10,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:10,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 20:42:10,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:11,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897900182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:11,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:11,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-06-06 20:42:11,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213060727] [2021-06-06 20:42:11,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 20:42:11,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:11,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 20:42:11,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-06 20:42:11,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:11,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:11,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 20:42:11,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 20:42:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 20:42:11,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:11,773 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:11,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:11,773 INFO L82 PathProgramCache]: Analyzing trace with hash -667864544, now seen corresponding path program 13 times [2021-06-06 20:42:11,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:11,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157114825] [2021-06-06 20:42:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 20:42:11,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:11,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157114825] [2021-06-06 20:42:11,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157114825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:11,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466464441] [2021-06-06 20:42:11,917 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:11,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 20:42:11,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 20:42:12,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466464441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:12,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:12,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 20:42:12,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899096299] [2021-06-06 20:42:12,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 20:42:12,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:12,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 20:42:12,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-06-06 20:42:12,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:12,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:12,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:12,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 20:42:12,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 20:42:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 20:42:12,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-06-06 20:42:12,609 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:12,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:12,609 INFO L82 PathProgramCache]: Analyzing trace with hash 674416768, now seen corresponding path program 14 times [2021-06-06 20:42:12,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:12,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701809317] [2021-06-06 20:42:12,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:12,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:12,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701809317] [2021-06-06 20:42:12,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701809317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:12,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106106812] [2021-06-06 20:42:12,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:12,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:42:12,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:12,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 20:42:12,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:13,353 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-06 20:42:13,354 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:13,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-06 20:42:14,165 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-06 20:42:14,319 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-06 20:42:15,450 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-06 20:42:15,689 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-06 20:42:16,139 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-06 20:42:16,718 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-06 20:42:17,500 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-06 20:42:17,717 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-06 20:42:17,934 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-06 20:42:18,618 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-06 20:42:19,259 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-06 20:42:19,589 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-06 20:42:19,949 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-06 20:42:20,378 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-06 20:42:21,104 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-06 20:42:21,932 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-06 20:42:23,399 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-06 20:42:24,421 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-06 20:42:24,624 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-06 20:42:25,389 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-06 20:42:25,759 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-06 20:42:26,219 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-06 20:42:26,913 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-06 20:42:27,056 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-06 20:42:27,237 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-06 20:42:28,581 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-06 20:42:28,875 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-06 20:42:29,240 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-06 20:42:29,849 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-06 20:42:30,648 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-06 20:42:31,947 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-06 20:42:35,216 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-06 20:42:38,882 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-06 20:42:43,062 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-06 20:42:47,230 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-06 20:42:52,186 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-06 20:42:56,779 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-06 20:43:01,778 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-06 20:43:09,530 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-06 20:43:09,701 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-06 20:43:10,729 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-06 20:43:12,569 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-06 20:43:18,881 WARN L205 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-06 20:43:19,180 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-06 20:43:19,455 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-06 20:43:20,397 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-06 20:43:20,691 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-06 20:43:22,154 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-06 20:43:22,372 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-06 20:43:22,671 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-06 20:43:23,130 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-06 20:43:24,057 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-06 20:43:24,381 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-06 20:43:24,673 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-06 20:43:25,118 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-06 20:43:26,117 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-06 20:43:27,397 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-06 20:43:27,669 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-06 20:43:28,580 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-06 20:43:28,815 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-06 20:43:29,122 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-06 20:43:29,976 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-06 20:43:30,176 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-06 20:43:30,429 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-06 20:43:30,762 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-06 20:43:31,468 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-06 20:43:32,393 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-06 20:43:33,236 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-06 20:43:33,400 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-06 20:43:33,629 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-06 20:43:33,920 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-06 20:43:34,877 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-06 20:43:35,023 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-06 20:43:35,230 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-06 20:43:35,494 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-06 20:43:35,843 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-06 20:43:36,551 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-06 20:43:38,332 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-06 20:43:41,243 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-06 20:43:44,574 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-06 20:43:48,871 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-06 20:43:49,953 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-06 20:43:50,314 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-06 20:43:50,879 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-06 20:43:51,850 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-06 20:43:52,055 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-06 20:43:52,314 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-06 20:43:52,696 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-06 20:43:52,881 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-06 20:43:53,826 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-06 20:43:54,011 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-06 20:43:54,885 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-06 20:43:55,048 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-06 20:43:55,416 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-06 20:43:55,938 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-06 20:43:56,686 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-06 20:43:57,872 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-06 20:43:59,516 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-06 20:44:00,178 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-06 20:44:00,764 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-06 20:44:01,133 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-06 20:44:01,249 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-06 20:44:02,774 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-06 20:44:02,899 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-06 20:44:03,052 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-06 20:44:03,346 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-06 20:44:03,942 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-06 20:44:04,858 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-06 20:44:06,188 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-06 20:44:09,484 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-06 20:44:13,280 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-06 20:44:18,681 WARN L205 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-06 20:44:29,450 WARN L205 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-06 20:44:30,685 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-06 20:44:31,240 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-06 20:44:31,997 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-06 20:44:32,484 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-06 20:44:33,262 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-06 20:44:33,464 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-06 20:44:33,674 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-06 20:44:34,526 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-06 20:44:35,340 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-06 20:44:36,227 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-06 20:44:37,280 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-06 20:44:37,700 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-06 20:44:38,472 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-06 20:44:39,417 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-06 20:44:40,602 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-06 20:44:41,854 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-06 20:44:43,689 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-06 20:44:46,186 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-06 20:44:46,982 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-06 20:44:47,339 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-06 20:44:47,620 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-06 20:44:48,806 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-06 20:44:49,671 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-06 20:44:49,933 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-06 20:44:50,321 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-06 20:44:51,017 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-06 20:44:52,035 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-06 20:44:52,214 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-06 20:44:52,883 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-06 20:44:53,059 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-06 20:44:53,329 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-06 20:44:54,579 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-06 20:44:56,395 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-06 20:45:01,146 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-06 20:45:07,773 WARN L205 SmtUtils]: Spent 6.62 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-06 20:45:15,223 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-06 20:45:15,892 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-06 20:45:16,568 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-06 20:45:16,730 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-06 20:45:17,430 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-06 20:45:18,361 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-06 20:45:18,514 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-06 20:45:18,738 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-06 20:45:19,031 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-06 20:45:19,404 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-06 20:45:19,863 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-06 20:45:20,411 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-06 20:45:21,614 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-06-06 20:45:21,801 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-06 20:45:22,050 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-06 20:45:22,380 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-06 20:45:22,843 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-06 20:45:23,375 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-06 20:45:24,025 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-06 20:45:25,328 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-06 20:45:26,222 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-06 20:45:26,380 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-06 20:45:26,624 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-06 20:45:26,947 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-06 20:45:27,134 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-06 20:45:27,768 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-06 20:45:27,997 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-06 20:45:28,277 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-06 20:45:28,973 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-06 20:45:30,041 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-06 20:45:32,482 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-06 20:45:35,660 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-06 20:45:35,796 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-06 20:45:36,407 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-06 20:45:36,596 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-06 20:45:37,217 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-06 20:45:37,574 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-06 20:45:38,596 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-06 20:45:38,737 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-06 20:45:38,928 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-06 20:45:39,223 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-06 20:45:39,621 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-06 20:45:40,464 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-06 20:45:41,638 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-06 20:45:42,694 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-06 20:45:42,867 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-06 20:45:43,102 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-06 20:45:43,381 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-06 20:45:43,750 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-06 20:45:45,492 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-06 20:45:50,681 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-06 20:45:56,553 WARN L205 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-06 20:46:11,047 WARN L205 SmtUtils]: Spent 14.48 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-06 20:46:39,017 WARN L205 SmtUtils]: Spent 27.94 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-06 20:46:40,032 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-06 20:46:40,229 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-06 20:47:11,444 WARN L205 SmtUtils]: Spent 31.20 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-06 20:47:48,536 WARN L205 SmtUtils]: Spent 37.05 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-06 20:47:49,496 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-06-06 20:47:49,612 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-06 20:47:49,813 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-06 20:47:50,068 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-06 20:48:28,329 WARN L205 SmtUtils]: Spent 38.24 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-06 20:49:06,823 WARN L205 SmtUtils]: Spent 38.44 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-06 20:49:52,331 WARN L205 SmtUtils]: Spent 45.45 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-06 20:49:55,798 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-06 20:49:55,952 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-06 20:49:57,353 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-06 20:49:57,977 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-06-06 20:50:00,866 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-06 20:50:01,017 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-06 20:50:01,157 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-06 20:50:02,257 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-06 20:50:02,960 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-06 20:50:03,892 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-06 20:50:04,663 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-06 20:50:05,006 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-06 20:50:05,730 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-06 20:50:05,899 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-06 20:50:06,281 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-06 20:50:06,633 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-06 20:50:07,066 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-06 20:50:08,640 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-06 20:50:08,962 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-06 20:50:09,767 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-06 20:50:10,816 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-06 20:50:12,243 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-06 20:50:13,142 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-06 20:50:14,222 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-06 20:50:14,515 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-06 20:50:15,194 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-06 20:50:15,408 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-06 20:50:15,759 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-06 20:50:16,002 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-06 20:50:16,632 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-06 20:50:16,803 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-06 20:50:17,603 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-06 20:50:17,791 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-06 20:50:18,184 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-06 20:50:18,317 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-06 20:50:19,103 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-06 20:50:19,670 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-06 20:50:19,955 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-06 20:50:20,763 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-06 20:50:21,795 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-06 20:50:23,087 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-06 20:50:24,768 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-06 20:50:26,968 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-06 20:50:29,686 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-06 20:50:34,241 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-06 20:50:40,361 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-06 20:50:40,765 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-06 20:50:40,959 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-06 20:50:41,165 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-06 20:50:41,507 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-06 20:50:43,008 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-06 20:50:43,183 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-06 20:50:43,423 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-06 20:50:43,811 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-06 20:50:44,337 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-06 20:50:44,458 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-06 20:50:44,616 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-06 20:50:45,812 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-06 20:50:45,976 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-06 20:50:46,189 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-06 20:50:46,478 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-06 20:50:46,846 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-06 20:50:47,430 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-06 20:50:48,014 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-06 20:50:49,234 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-06 20:50:50,666 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-06 20:50:52,592 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-06 20:50:52,821 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-06 20:50:53,069 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-06 20:50:53,243 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-06 20:50:53,422 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-06 20:50:54,517 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-06 20:50:54,706 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-06 20:50:54,958 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-06 20:50:55,304 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-06 20:50:55,778 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-06 20:50:55,953 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-06 20:50:56,138 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-06 20:50:57,204 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-06 20:50:57,378 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-06 20:50:57,642 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-06 20:50:58,027 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-06 20:50:58,998 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-06 20:51:00,299 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-06 20:51:03,538 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-06 20:51:12,970 WARN L205 SmtUtils]: Spent 9.42 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-06 20:51:23,918 WARN L205 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-06 20:51:36,452 WARN L205 SmtUtils]: Spent 12.52 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-06 20:51:49,263 WARN L205 SmtUtils]: Spent 12.79 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-06 20:52:02,332 WARN L205 SmtUtils]: Spent 13.05 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-06 20:52:17,324 WARN L205 SmtUtils]: Spent 14.97 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-06 20:53:19,714 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-06 20:54:28,492 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-06 20:55:37,417 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown