/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:19:15,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:19:15,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:19:15,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:19:15,837 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:19:15,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:19:15,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:19:15,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:19:15,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:19:15,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:19:15,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:19:15,875 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:19:15,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:19:15,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:19:15,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:19:15,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:19:15,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:19:15,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:19:15,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:19:15,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:19:15,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:19:15,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:19:15,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:19:15,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:19:15,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:19:15,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:19:15,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:19:15,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:19:15,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:19:15,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:19:15,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:19:15,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:19:15,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:19:15,879 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:19:15,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:19:15,879 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:19:15,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:19:15,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:19:15,879 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:19:15,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:19:16,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:19:16,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:19:16,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:19:16,186 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:19:16,188 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:19:16,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-10 08:19:16,189 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-10 08:19:16,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:19:16,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:19:16,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:19:16,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:19:16,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:19:16,221 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 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,227 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 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:19:16,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:19:16,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:19:16,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:19:16,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/1) ... [2021-07-10 08:19:16,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:19:16,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:19:16,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:19:16,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:19:16,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (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 [2021-07-10 08:19:16,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:19:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:19:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:19:16,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:19:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:19:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:19:16,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:19:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:19:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:19:16,322 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:19:16,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:19:16,648 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 08:19:16,649 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 08:19:16,649 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 08:19:16,651 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:19:16 BoogieIcfgContainer [2021-07-10 08:19:16,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:19:16,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:19:16,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:19:16,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:19:16,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:19:16" (1/2) ... [2021-07-10 08:19:16,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40dcb2bb and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:19:16, skipping insertion in model container [2021-07-10 08:19:16,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:19:16" (2/2) ... [2021-07-10 08:19:16,657 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-10 08:19:16,673 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:19:16,673 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:19:16,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:19:16,674 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:19:16,734 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 08:19:16,755 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 [2021-07-10 08:19:16,815 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:19:16,816 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:19:16,817 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:19:16,817 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:19:16,817 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:19:16,817 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:19:16,817 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:19:16,817 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:19:16,908 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:16,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:16,915 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-10 08:19:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:16,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779616893] [2021-07-10 08:19:16,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:17,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:17,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779616893] [2021-07-10 08:19:17,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779616893] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:19:17,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 08:19:17,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 08:19:17,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948050304] [2021-07-10 08:19:17,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 08:19:17,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:17,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 08:19:17,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 08:19:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:17,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:17,066 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) [2021-07-10 08:19:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:17,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 08:19:17,084 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:17,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:17,088 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-10 08:19:17,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:17,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84798055] [2021-07-10 08:19:17,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:17,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:17,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84798055] [2021-07-10 08:19:17,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84798055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:17,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641059732] [2021-07-10 08:19:17,143 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 [2021-07-10 08:19:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:17,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 08:19:17,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:17,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641059732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:17,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:17,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 08:19:17,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461478006] [2021-07-10 08:19:17,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 08:19:17,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:17,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 08:19:17,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 08:19:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:17,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:17,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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) [2021-07-10 08:19:17,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:17,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:17,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:17,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:17,541 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:17,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-10 08:19:17,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:17,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054166745] [2021-07-10 08:19:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:19:17,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:17,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054166745] [2021-07-10 08:19:17,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054166745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:17,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066613231] [2021-07-10 08:19:17,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:17,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 08:19:17,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:19:17,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066613231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:17,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:17,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 08:19:17,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213383368] [2021-07-10 08:19:17,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:19:17,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:17,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:19:17,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:19:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:17,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:17,674 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) [2021-07-10 08:19:17,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:17,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:17,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:17,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:17,909 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:17,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-10 08:19:17,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:17,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640351692] [2021-07-10 08:19:17,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:19:17,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:17,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640351692] [2021-07-10 08:19:17,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640351692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:17,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531485971] [2021-07-10 08:19:17,991 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 [2021-07-10 08:19:18,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:19:18,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:18,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 08:19:18,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:19:18,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531485971] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:18,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:18,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 08:19:18,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499540642] [2021-07-10 08:19:18,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 08:19:18,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:18,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 08:19:18,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 08:19:18,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:18,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:18,115 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) [2021-07-10 08:19:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:18,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:18,357 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:18,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:18,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-10 08:19:18,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:18,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827001803] [2021-07-10 08:19:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:19:18,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:18,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827001803] [2021-07-10 08:19:18,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827001803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:18,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275052327] [2021-07-10 08:19:18,445 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 [2021-07-10 08:19:18,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 08:19:18,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:18,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 08:19:18,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:19:18,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275052327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:18,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:18,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 08:19:18,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326067853] [2021-07-10 08:19:18,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 08:19:18,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:18,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 08:19:18,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 08:19:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:18,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:18,596 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) [2021-07-10 08:19:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:18,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:18,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:18,873 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:18,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-10 08:19:18,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:18,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838491581] [2021-07-10 08:19:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:18,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:18,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838491581] [2021-07-10 08:19:18,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838491581] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:18,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598486187] [2021-07-10 08:19:18,928 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 [2021-07-10 08:19:18,974 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:19:18,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:18,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 08:19:18,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:19,136 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:19,137 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 [2021-07-10 08:19:19,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:19:19,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:19,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:19:19,187 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 08:19:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:19,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598486187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:19,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:19,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-10 08:19:19,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483396208] [2021-07-10 08:19:19,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 08:19:19,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:19,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 08:19:19,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-10 08:19:19,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:19,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:19,196 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) [2021-07-10 08:19:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:19,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:19,478 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:19,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:19,478 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-10 08:19:19,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:19,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068404974] [2021-07-10 08:19:19,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:19,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:19,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068404974] [2021-07-10 08:19:19,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068404974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:19,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755600584] [2021-07-10 08:19:19,545 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 [2021-07-10 08:19:19,584 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 08:19:19,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:19,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 08:19:19,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:19,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755600584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:19,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:19,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 08:19:19,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756667950] [2021-07-10 08:19:19,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 08:19:19,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:19,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 08:19:19,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 08:19:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:19,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:19,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:19:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:19,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:19,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:20,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 08:19:20,013 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:20,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:20,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-10 08:19:20,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:20,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630687465] [2021-07-10 08:19:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:19:20,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:20,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630687465] [2021-07-10 08:19:20,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630687465] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:20,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795165874] [2021-07-10 08:19:20,124 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 [2021-07-10 08:19:20,162 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 08:19:20,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:20,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 08:19:20,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:19:20,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795165874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:20,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:20,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 08:19:20,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230725850] [2021-07-10 08:19:20,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 08:19:20,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:20,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 08:19:20,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-10 08:19:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:20,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:20,267 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) [2021-07-10 08:19:20,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:20,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:20,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 08:19:20,631 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:20,631 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-10 08:19:20,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:20,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171817572] [2021-07-10 08:19:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:19:20,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:20,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171817572] [2021-07-10 08:19:20,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171817572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:20,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875617134] [2021-07-10 08:19:20,764 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 [2021-07-10 08:19:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:20,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 08:19:20,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:19:20,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875617134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:20,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:20,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 08:19:20,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439049312] [2021-07-10 08:19:20,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 08:19:20,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:20,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 08:19:20,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 08:19:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:20,913 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:20,913 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) [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:21,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:21,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 08:19:21,289 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:21,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:21,289 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-10 08:19:21,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:21,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211835425] [2021-07-10 08:19:21,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:19:21,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:21,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211835425] [2021-07-10 08:19:21,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211835425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:21,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733936880] [2021-07-10 08:19:21,405 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 [2021-07-10 08:19:21,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:19:21,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:21,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 08:19:21,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:19:21,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733936880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:21,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:21,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 08:19:21,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740353312] [2021-07-10 08:19:21,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 08:19:21,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:21,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 08:19:21,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 08:19:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:21,565 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:21,565 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) [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:21,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:21,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:21,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 08:19:21,984 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:21,985 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-10 08:19:21,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:21,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751452380] [2021-07-10 08:19:21,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:22,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:22,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751452380] [2021-07-10 08:19:22,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751452380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:22,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729298995] [2021-07-10 08:19:22,071 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 [2021-07-10 08:19:22,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 08:19:22,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:22,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 08:19:22,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:22,428 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 08:19:22,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:22,428 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 [2021-07-10 08:19:23,227 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 247 [2021-07-10 08:19:23,372 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-07-10 08:19:23,508 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-10 08:19:23,636 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-10 08:19:23,785 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-10 08:19:23,969 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-07-10 08:19:24,637 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-07-10 08:19:25,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:19:25,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:25,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:19:25,556 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 08:19:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:25,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729298995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:25,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:25,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-10 08:19:25,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909739345] [2021-07-10 08:19:25,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 08:19:25,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:25,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 08:19:25,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 08:19:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:25,564 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:25,564 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) [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:25,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:25,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 08:19:25,921 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:25,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-10 08:19:25,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:25,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081750076] [2021-07-10 08:19:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:26,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:26,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081750076] [2021-07-10 08:19:26,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081750076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:26,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615637451] [2021-07-10 08:19:26,019 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 [2021-07-10 08:19:26,055 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:19:26,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:26,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 08:19:26,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:26,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615637451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:26,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:26,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 08:19:26,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824300643] [2021-07-10 08:19:26,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 08:19:26,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:26,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 08:19:26,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 08:19:26,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:26,121 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:26,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:19:26,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:26,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:26,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:26,549 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:26,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-10 08:19:26,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:26,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963500166] [2021-07-10 08:19:26,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:19:26,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:26,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963500166] [2021-07-10 08:19:26,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963500166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:26,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837984995] [2021-07-10 08:19:26,730 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 [2021-07-10 08:19:26,776 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 08:19:26,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:26,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 08:19:26,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:19:26,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837984995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:26,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:26,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 08:19:26,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153259569] [2021-07-10 08:19:26,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 08:19:26,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:26,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 08:19:26,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-10 08:19:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:26,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:26,917 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) [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:26,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:27,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-10 08:19:27,497 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:27,497 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-10 08:19:27,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:27,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146335814] [2021-07-10 08:19:27,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:19:27,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:27,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146335814] [2021-07-10 08:19:27,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146335814] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:27,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705401875] [2021-07-10 08:19:27,665 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 [2021-07-10 08:19:27,723 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 08:19:27,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:27,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 08:19:27,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:28,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705401875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:28,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:28,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 08:19:28,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580345171] [2021-07-10 08:19:28,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 08:19:28,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:28,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 08:19:28,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-10 08:19:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:28,033 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:28,033 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) [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:28,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:28,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:28,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:28,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:28,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 08:19:28,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:28,837 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:28,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:28,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-10 08:19:28,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:28,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732543317] [2021-07-10 08:19:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:19:29,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:29,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732543317] [2021-07-10 08:19:29,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732543317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:29,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516038871] [2021-07-10 08:19:29,032 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 [2021-07-10 08:19:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:29,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 08:19:29,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:19:29,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516038871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:29,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:29,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 08:19:29,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311801925] [2021-07-10 08:19:29,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 08:19:29,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:29,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 08:19:29,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-10 08:19:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:29,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:29,297 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) [2021-07-10 08:19:29,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:29,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:29,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:29,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:29,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 08:19:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:29,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:19:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:19:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 08:19:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:19:29,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-10 08:19:29,949 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:29,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-10 08:19:29,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:29,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060580228] [2021-07-10 08:19:29,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:30,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:30,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060580228] [2021-07-10 08:19:30,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060580228] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:30,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002114426] [2021-07-10 08:19:30,076 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 [2021-07-10 08:19:30,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:19:30,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:30,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 08:19:30,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:30,775 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 08:19:30,775 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:30,775 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 [2021-07-10 08:19:31,808 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 08:19:31,989 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 08:19:32,641 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 08:19:33,470 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 08:19:33,721 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 08:19:34,219 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 08:19:34,828 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 08:19:35,867 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 08:19:36,046 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 08:19:36,259 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 08:19:37,072 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 08:19:37,833 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 08:19:38,167 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 08:19:38,557 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 08:19:38,991 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 08:19:39,742 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 08:19:40,616 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 08:19:42,136 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 08:19:43,335 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 08:19:43,547 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 08:19:44,427 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 08:19:44,815 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 08:19:45,284 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 08:19:46,031 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 08:19:46,179 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 08:19:46,369 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 08:19:47,652 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 08:19:47,902 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 08:19:48,214 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 08:19:48,656 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 08:19:49,289 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 08:19:50,033 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 08:19:51,359 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 08:19:54,670 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 08:19:58,501 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 08:20:02,868 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 08:20:07,270 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 08:20:12,459 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 08:20:17,238 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 08:20:22,515 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 08:20:30,606 WARN L205 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 08:20:30,782 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 08:20:31,906 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 08:20:33,793 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 08:20:40,330 WARN L205 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 08:20:40,643 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 08:20:40,922 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 08:20:41,897 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 08:20:42,273 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 08:20:43,839 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 08:20:44,061 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 08:20:44,369 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 08:20:44,840 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 08:20:44,948 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-07-10 08:20:45,806 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 08:20:46,136 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 08:20:46,445 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 08:20:46,911 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 08:20:47,950 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 08:20:49,057 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-10 08:20:49,276 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 08:20:49,575 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 08:20:50,413 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2021-07-10 08:20:50,616 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 08:20:50,860 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 08:20:51,171 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 08:20:52,187 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 08:20:52,384 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 08:20:52,659 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 08:20:53,003 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 08:20:53,750 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 08:20:54,715 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 08:20:55,515 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2021-07-10 08:20:55,658 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 08:20:55,828 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 08:20:56,062 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 08:20:56,368 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 08:20:57,461 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 08:20:57,615 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 08:20:57,828 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 08:20:58,107 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 08:20:58,468 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 08:20:59,203 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 08:21:01,039 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 08:21:04,044 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 08:21:07,512 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 08:21:11,983 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 08:21:13,084 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 08:21:13,453 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 08:21:14,039 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 08:21:14,885 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-10 08:21:15,139 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 08:21:15,339 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 08:21:15,613 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 08:21:16,000 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 08:21:16,192 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 08:21:17,168 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 08:21:17,354 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 08:21:18,273 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 08:21:18,439 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 08:21:18,822 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 08:21:19,348 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 08:21:20,114 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 08:21:21,355 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 08:21:23,046 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 08:21:23,730 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 08:21:24,326 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 08:21:24,706 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 08:21:24,821 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 08:21:26,396 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-10 08:21:26,527 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 08:21:26,690 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 08:21:26,983 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 08:21:27,610 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 08:21:28,548 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 08:21:29,909 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 08:21:33,315 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 08:21:37,414 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 08:21:43,053 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 08:21:54,255 WARN L205 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 08:21:55,514 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 08:21:56,079 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 08:21:56,856 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 08:21:57,361 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 08:21:58,200 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 08:21:58,401 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 08:21:58,625 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 08:21:59,514 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 08:22:00,455 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 08:22:01,370 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 08:22:02,454 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 08:22:02,925 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 08:22:03,745 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 08:22:04,708 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 08:22:05,925 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 08:22:07,229 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 08:22:09,143 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 08:22:11,725 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 08:22:12,541 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 08:22:12,918 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 08:22:13,206 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 08:22:14,461 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 08:22:15,340 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 08:22:15,611 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 08:22:15,999 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 08:22:16,717 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 08:22:17,772 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 08:22:17,958 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 08:22:18,639 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 08:22:18,815 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 08:22:19,096 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 08:22:20,390 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 08:22:22,264 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 08:22:27,172 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 08:22:34,137 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 08:22:41,683 WARN L205 SmtUtils]: Spent 7.53 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 08:22:42,371 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 08:22:43,075 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 08:22:43,241 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 08:22:43,959 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 08:22:44,897 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 08:22:45,057 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 08:22:45,288 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 08:22:45,595 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 08:22:45,973 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 08:22:46,437 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 08:22:46,990 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 08:22:48,277 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 08:22:48,539 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 08:22:48,869 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 08:22:49,334 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 08:22:49,880 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 08:22:50,537 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 08:22:51,886 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 08:22:52,831 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 08:22:52,991 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 08:22:53,246 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 08:22:53,576 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 08:22:53,765 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 08:22:54,420 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 08:22:54,642 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 08:22:54,935 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 08:22:55,643 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 08:22:56,740 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 08:22:59,223 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 08:23:02,477 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 08:23:02,613 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 08:23:03,215 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 08:23:03,409 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 08:23:03,999 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 08:23:04,344 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 08:23:05,421 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 08:23:05,579 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 08:23:05,772 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 08:23:06,069 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 08:23:06,478 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 08:23:07,347 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 08:23:08,526 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 08:23:09,580 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-10 08:23:09,760 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 08:23:09,989 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 08:23:10,275 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 08:23:10,647 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 08:23:12,410 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 08:23:17,622 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 08:23:23,602 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 08:23:38,317 WARN L205 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 08:24:07,029 WARN L205 SmtUtils]: Spent 28.69 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 08:24:08,057 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 08:24:08,251 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 08:24:40,195 WARN L205 SmtUtils]: Spent 31.93 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 08:25:18,236 WARN L205 SmtUtils]: Spent 37.99 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 08:25:19,226 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-07-10 08:25:19,343 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 08:25:19,539 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 08:25:19,784 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 08:25:58,305 WARN L205 SmtUtils]: Spent 38.50 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 08:26:37,744 WARN L205 SmtUtils]: Spent 39.39 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 08:27:24,494 WARN L205 SmtUtils]: Spent 46.70 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 08:27:28,143 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 08:27:28,306 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 08:27:29,777 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 08:27:33,440 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 08:27:33,627 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 08:27:33,770 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 08:27:34,899 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 08:27:35,610 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 08:27:36,569 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 08:27:37,382 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 08:27:37,752 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 08:27:38,482 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 08:27:38,661 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 08:27:39,053 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 08:27:39,407 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 08:27:39,839 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 08:27:41,444 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 08:27:41,763 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 08:27:42,577 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 08:27:43,642 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 08:27:45,109 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 08:27:46,035 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 08:27:47,152 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 08:27:47,467 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 08:27:48,160 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 08:27:48,400 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 08:27:48,774 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 08:27:49,019 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 08:27:49,675 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 08:27:49,853 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 08:27:50,675 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 08:27:50,869 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 08:27:51,275 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 08:27:52,220 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 08:27:52,865 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 08:27:53,161 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 08:27:53,966 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 08:27:55,005 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 08:27:56,337 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 08:27:58,085 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 08:28:00,336 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 08:28:03,124 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 08:28:07,786 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 08:28:14,071 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 08:28:14,478 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 08:28:14,688 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 08:28:14,892 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 08:28:15,239 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 08:28:16,802 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 08:28:16,982 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 08:28:17,232 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 08:28:17,625 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 08:28:18,171 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 08:28:18,293 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 08:28:18,472 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 08:28:18,600 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-10 08:28:19,746 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 08:28:19,915 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 08:28:20,117 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 08:28:20,414 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 08:28:20,800 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 08:28:21,396 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-10 08:28:22,003 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 08:28:23,284 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 08:28:24,758 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 08:28:26,722 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 08:28:26,961 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 08:28:27,219 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 08:28:27,397 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 08:28:27,581 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 08:28:28,602 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-07-10 08:28:28,743 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 08:28:28,936 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 08:28:29,198 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 08:28:29,556 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 08:28:30,043 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 08:28:30,228 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 08:28:30,407 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 08:28:31,550 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 08:28:31,737 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 08:28:32,003 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 08:28:32,404 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 08:28:33,406 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 08:28:34,736 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 08:28:38,085 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 08:28:47,820 WARN L205 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 08:28:59,209 WARN L205 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 08:29:12,462 WARN L205 SmtUtils]: Spent 13.23 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 08:29:25,868 WARN L205 SmtUtils]: Spent 13.39 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 08:29:39,510 WARN L205 SmtUtils]: Spent 13.62 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 08:29:55,243 WARN L205 SmtUtils]: Spent 15.71 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 08:31:01,484 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 08:32:13,198 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 08:33:25,116 WARN L205 SmtUtils]: Spent 1.20 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