/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:18:30,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:18:30,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:18:30,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 11:18:30,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 11:18:30,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:18:30,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:18:30,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:18:30,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:18:30,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:18:30,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:18:30,243 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:18:30,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:18:30,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:18:30,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:18:30,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:18:30,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:18:30,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:18:30,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:18:30,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:18:30,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:18:30,247 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:18:30,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:18:30,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:18:30,247 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:18:30,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:18:30,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:18:30,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:18:30,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:18:30,566 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:18:30,567 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:18:30,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2021-06-06 11:18:30,568 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2021-06-06 11:18:30,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:18:30,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:18:30,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:18:30,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:18:30,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:18:30,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:18:30,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:18:30,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:18:30,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:18:30,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... [2021-06-06 11:18:30,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:18:30,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:18:30,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:18:30,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:18:30,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:18:30,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:18:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:18:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:18:30,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:18:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:18:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:18:30,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:18:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:18:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:18:30,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:18:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:18:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:18:30,734 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 11:18:30,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:18:30,991 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:18:30,992 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:18:30 BoogieIcfgContainer [2021-06-06 11:18:30,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:18:30,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:18:30,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:18:30,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:18:30,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:18:30" (1/2) ... [2021-06-06 11:18:30,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c76497 and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:18:30, skipping insertion in model container [2021-06-06 11:18:30,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:18:30" (2/2) ... [2021-06-06 11:18:30,999 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2021-06-06 11:18:31,004 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:18:31,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:18:31,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:18:31,022 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:18:31,083 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:18:31,124 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 11:18:31,191 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:18:31,191 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:18:31,191 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:18:31,191 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:18:31,191 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:18:31,192 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:18:31,192 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:18:31,192 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:18:31,245 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:31,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:31,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1699167506, now seen corresponding path program 1 times [2021-06-06 11:18:31,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:31,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875678142] [2021-06-06 11:18:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:31,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:31,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875678142] [2021-06-06 11:18:31,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875678142] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:18:31,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:18:31,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 11:18:31,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664543937] [2021-06-06 11:18:31,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 11:18:31,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:31,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 11:18:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 11:18:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:31,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:31,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:31,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:31,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:18:31,518 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:31,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1791469552, now seen corresponding path program 1 times [2021-06-06 11:18:31,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:31,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771307931] [2021-06-06 11:18:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:31,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:31,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771307931] [2021-06-06 11:18:31,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771307931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:31,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22533778] [2021-06-06 11:18:31,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:31,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 11:18:31,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:31,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22533778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:31,690 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:31,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-06-06 11:18:31,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412000321] [2021-06-06 11:18:31,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 11:18:31,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:31,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 11:18:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-06 11:18:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:31,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:31,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:31,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:31,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:31,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:31,970 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:31,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:31,971 INFO L82 PathProgramCache]: Analyzing trace with hash 610516690, now seen corresponding path program 1 times [2021-06-06 11:18:31,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:31,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877914496] [2021-06-06 11:18:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:18:32,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:32,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877914496] [2021-06-06 11:18:32,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877914496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:32,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618699599] [2021-06-06 11:18:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 11:18:32,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:18:32,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618699599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:32,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:32,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-06-06 11:18:32,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966777392] [2021-06-06 11:18:32,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 11:18:32,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:32,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 11:18:32,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-06 11:18:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:32,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:32,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:32,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:32,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:32,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,450 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:32,450 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:32,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:32,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1267105872, now seen corresponding path program 1 times [2021-06-06 11:18:32,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:32,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029741793] [2021-06-06 11:18:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:32,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:32,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029741793] [2021-06-06 11:18:32,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029741793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:32,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407827207] [2021-06-06 11:18:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:32,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 11:18:32,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:32,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 11:18:32,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:32,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:32,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-06 11:18:32,844 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:32,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:32,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 11:18:32,846 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:5 [2021-06-06 11:18:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:32,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407827207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:32,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:32,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-06 11:18:32,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111433324] [2021-06-06 11:18:32,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 11:18:32,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:32,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 11:18:32,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 11:18:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:32,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:32,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:32,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:33,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:33,117 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:33,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:33,117 INFO L82 PathProgramCache]: Analyzing trace with hash -836121586, now seen corresponding path program 2 times [2021-06-06 11:18:33,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:33,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699959837] [2021-06-06 11:18:33,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:18:33,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:33,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699959837] [2021-06-06 11:18:33,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699959837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:33,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552861769] [2021-06-06 11:18:33,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:33,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:18:33,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:33,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 11:18:33,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:18:33,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552861769] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:33,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:33,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-06 11:18:33,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562858195] [2021-06-06 11:18:33,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 11:18:33,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:33,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 11:18:33,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-06 11:18:33,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:33,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:33,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:33,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:33,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:33,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:33,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:33,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:33,732 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:33,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:33,732 INFO L82 PathProgramCache]: Analyzing trace with hash 485315534, now seen corresponding path program 3 times [2021-06-06 11:18:33,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:33,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032755096] [2021-06-06 11:18:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:34,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:34,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032755096] [2021-06-06 11:18:34,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032755096] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:34,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278996859] [2021-06-06 11:18:34,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:34,168 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 11:18:34,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:34,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 11:18:34,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:34,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-06 11:18:34,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:34,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:34,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:34,589 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:54 [2021-06-06 11:18:34,710 INFO L446 ElimStorePlain]: Different costs {0=[B, v_C_14], 2=[A]} [2021-06-06 11:18:34,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2021-06-06 11:18:34,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:34,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:34,728 INFO L518 ElimStorePlain]: Eliminatee v_C_14 vanished before elimination [2021-06-06 11:18:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:34,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:18:34,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-06-06 11:18:34,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:34,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:34,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 11:18:34,742 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:5 [2021-06-06 11:18:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:34,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278996859] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:34,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:34,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-06 11:18:34,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363093179] [2021-06-06 11:18:34,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 11:18:34,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:34,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 11:18:34,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-06-06 11:18:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:34,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:34,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:34,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:34,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:34,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:34,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:34,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:34,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:35,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:35,401 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:35,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:35,401 INFO L82 PathProgramCache]: Analyzing trace with hash 612593674, now seen corresponding path program 4 times [2021-06-06 11:18:35,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:35,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361937900] [2021-06-06 11:18:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 11:18:35,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:35,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361937900] [2021-06-06 11:18:35,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361937900] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:35,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721410582] [2021-06-06 11:18:35,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:35,508 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:18:35,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:35,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 11:18:35,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 11:18:35,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721410582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:35,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:35,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-06 11:18:35,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55399450] [2021-06-06 11:18:35,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 11:18:35,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:35,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 11:18:35,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-06 11:18:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:35,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:35,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:35,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:35,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:35,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:35,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:35,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:35,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:35,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:35,934 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:35,934 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:35,935 INFO L82 PathProgramCache]: Analyzing trace with hash -792753074, now seen corresponding path program 5 times [2021-06-06 11:18:35,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:35,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47288200] [2021-06-06 11:18:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 11:18:36,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:36,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47288200] [2021-06-06 11:18:36,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47288200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:36,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427089135] [2021-06-06 11:18:36,007 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:36,049 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 11:18:36,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:36,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 11:18:36,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 11:18:36,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427089135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:36,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:36,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-06 11:18:36,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370203433] [2021-06-06 11:18:36,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 11:18:36,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:36,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 11:18:36,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-06 11:18:36,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:36,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:36,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:36,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 11:18:36,465 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:36,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:36,465 INFO L82 PathProgramCache]: Analyzing trace with hash -324849526, now seen corresponding path program 6 times [2021-06-06 11:18:36,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:36,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417911605] [2021-06-06 11:18:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:37,162 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:37,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:37,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417911605] [2021-06-06 11:18:37,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417911605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:37,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817796279] [2021-06-06 11:18:37,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:37,214 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 11:18:37,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:37,215 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 63 conjunts are in the unsatisfiable core [2021-06-06 11:18:37,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:37,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-06 11:18:37,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:37,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:37,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:37,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:95 [2021-06-06 11:18:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2021-06-06 11:18:38,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:38,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:38,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:38,091 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:119, output treesize:119 [2021-06-06 11:18:38,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2021-06-06 11:18:38,211 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:38,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:38,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:38,249 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:113, output treesize:116 [2021-06-06 11:18:38,386 INFO L446 ElimStorePlain]: Different costs {0=[v_C_18], 7=[A], 18=[B]} [2021-06-06 11:18:38,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2021-06-06 11:18:38,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:38,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:38,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:38,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 59 [2021-06-06 11:18:38,446 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 11:18:38,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:38,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:38,511 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:38,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 96 [2021-06-06 11:18:38,581 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-06-06 11:18:38,609 INFO L628 ElimStorePlain]: treesize reduction 12, result has 73.9 percent of original size [2021-06-06 11:18:38,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 11:18:38,613 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:122, output treesize:25 [2021-06-06 11:18:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:38,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817796279] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:38,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:38,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 29 [2021-06-06 11:18:38,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484979528] [2021-06-06 11:18:38,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 11:18:38,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:38,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 11:18:38,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2021-06-06 11:18:38,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:38,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:38,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:18:39,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:39,793 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:39,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:39,793 INFO L82 PathProgramCache]: Analyzing trace with hash 374535938, now seen corresponding path program 7 times [2021-06-06 11:18:39,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:39,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202582043] [2021-06-06 11:18:39,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 36 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 11:18:39,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:39,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202582043] [2021-06-06 11:18:39,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202582043] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:39,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649294706] [2021-06-06 11:18:39,909 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:39,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 11:18:39,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 49 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 11:18:40,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649294706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:40,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:40,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2021-06-06 11:18:40,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374153005] [2021-06-06 11:18:40,052 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 11:18:40,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:40,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 11:18:40,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-06-06 11:18:40,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:40,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:40,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 15 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:18:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:18:40,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:40,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-06 11:18:40,569 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:40,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:40,569 INFO L82 PathProgramCache]: Analyzing trace with hash -712086134, now seen corresponding path program 8 times [2021-06-06 11:18:40,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:40,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039750200] [2021-06-06 11:18:40,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 36 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-06 11:18:40,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:40,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039750200] [2021-06-06 11:18:40,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039750200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:40,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337598276] [2021-06-06 11:18:40,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:40,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:18:40,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:40,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 11:18:40,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 49 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-06 11:18:40,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337598276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:40,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:18:40,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2021-06-06 11:18:40,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487742598] [2021-06-06 11:18:40,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 11:18:40,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:18:40,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 11:18:40,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-06-06 11:18:40,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:40,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:18:40,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 15 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:18:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:18:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:18:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 11:18:41,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-06 11:18:41,344 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:18:41,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:18:41,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1513473022, now seen corresponding path program 9 times [2021-06-06 11:18:41,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:18:41,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393742278] [2021-06-06 11:18:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:18:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:18:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:18:42,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:18:42,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393742278] [2021-06-06 11:18:42,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393742278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:18:42,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762705592] [2021-06-06 11:18:42,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:18:43,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 11:18:43,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:18:43,029 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 114 conjunts are in the unsatisfiable core [2021-06-06 11:18:43,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:18:44,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-06 11:18:44,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:44,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:44,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:44,825 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:135 [2021-06-06 11:18:44,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-06 11:18:44,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:44,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:44,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:44,988 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:151, output treesize:153 [2021-06-06 11:18:45,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 53 [2021-06-06 11:18:45,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:45,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:45,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:45,178 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:168, output treesize:170 [2021-06-06 11:18:45,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 73 [2021-06-06 11:18:45,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:45,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:45,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:45,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:182, output treesize:184 [2021-06-06 11:18:45,630 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-06-06 11:18:45,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 101 [2021-06-06 11:18:45,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:45,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:45,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:45,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:207, output treesize:206 [2021-06-06 11:18:45,940 INFO L354 Elim1Store]: treesize reduction 186, result has 13.1 percent of original size [2021-06-06 11:18:45,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 114 treesize of output 122 [2021-06-06 11:18:45,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:45,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:45,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:45,986 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:229, output treesize:254 [2021-06-06 11:18:46,282 INFO L354 Elim1Store]: treesize reduction 272, result has 11.4 percent of original size [2021-06-06 11:18:46,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 139 treesize of output 148 [2021-06-06 11:18:46,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:46,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:46,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 11:18:46,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:254, output treesize:293 [2021-06-06 11:18:46,828 INFO L446 ElimStorePlain]: Different costs {15=[v_C_26], 60=[A, B]} [2021-06-06 11:18:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-06 11:18:46,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 190 treesize of output 162 [2021-06-06 11:18:46,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:18:46,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:18:47,308 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-06-06 11:18:47,308 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:18:47,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 24 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 42 case distinctions, treesize of input 159 treesize of output 507 [2021-06-06 11:18:48,864 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1625 DAG size of output: 1130 [2021-06-06 11:18:49,829 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 1643 DAG size of output: 1148 [2021-06-06 11:18:56,199 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 6395 DAG size of output: 3655 [2021-06-06 11:19:04,504 WARN L205 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 6405 DAG size of output: 3665 [2021-06-06 11:19:18,872 WARN L205 SmtUtils]: Spent 14.33 s on a formula simplification. DAG size of input: 3494 DAG size of output: 4111 [2021-06-06 11:19:25,470 WARN L205 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 3488 DAG size of output: 3488 [2021-06-06 11:19:30,460 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 3063 DAG size of output: 3063 [2021-06-06 11:19:30,930 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 796 [2021-06-06 11:19:31,102 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 254 [2021-06-06 11:19:32,056 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 327 [2021-06-06 11:19:32,258 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 470 [2021-06-06 11:19:32,591 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 695 [2021-06-06 11:19:32,817 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 603 [2021-06-06 11:19:33,393 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 368 [2021-06-06 11:19:33,735 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 556 [2021-06-06 11:19:33,843 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-06-06 11:19:34,627 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 615 [2021-06-06 11:19:35,320 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 964 DAG size of output: 909 [2021-06-06 11:19:35,796 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1055 [2021-06-06 11:19:36,513 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 1239 [2021-06-06 11:19:37,138 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 407 [2021-06-06 11:19:38,183 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1522 DAG size of output: 1433 [2021-06-06 11:19:39,650 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1798 DAG size of output: 1653 [2021-06-06 11:19:43,540 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2716 DAG size of output: 2716 [2021-06-06 11:19:44,446 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 773 [2021-06-06 11:19:44,768 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-06-06 11:19:45,344 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 506 [2021-06-06 11:19:45,792 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 445 [2021-06-06 11:19:46,763 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 684 [2021-06-06 11:19:47,349 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 952 DAG size of output: 847 [2021-06-06 11:19:47,784 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 994 [2021-06-06 11:19:48,444 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 391 [2021-06-06 11:19:49,211 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 1499 DAG size of output: 1317 [2021-06-06 11:19:50,599 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1737 DAG size of output: 1556 [2021-06-06 11:19:53,510 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 2321 DAG size of output: 2321 [2021-06-06 11:19:55,649 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 2076 DAG size of output: 2076 [2021-06-06 11:19:56,968 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1622 DAG size of output: 1622 [2021-06-06 11:19:57,290 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 579 [2021-06-06 11:19:57,530 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 433 [2021-06-06 11:19:57,645 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2021-06-06 11:19:58,577 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 601 [2021-06-06 11:19:59,208 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 688 [2021-06-06 11:19:59,603 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 1568 DAG size of output: 1444 [2021-06-06 11:20:00,215 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 1791 DAG size of output: 1657 [2021-06-06 11:20:01,120 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 1970 DAG size of output: 1827 [2021-06-06 11:20:01,842 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-06-06 11:20:02,828 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 683 [2021-06-06 11:20:03,308 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-06-06 11:20:03,473 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 399 [2021-06-06 11:20:04,165 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 589 [2021-06-06 11:20:04,446 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 688 [2021-06-06 11:20:05,153 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 471 [2021-06-06 11:20:05,778 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 639 [2021-06-06 11:20:06,593 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 607 [2021-06-06 11:20:07,118 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 1401 DAG size of output: 1313 [2021-06-06 11:20:08,033 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1635 [2021-06-06 11:20:09,365 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 2224 DAG size of output: 2091 [2021-06-06 11:20:09,577 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 548 [2021-06-06 11:20:09,730 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 496 [2021-06-06 11:20:09,944 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 491 [2021-06-06 11:20:10,582 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 608 [2021-06-06 11:20:10,864 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 747 [2021-06-06 11:20:11,462 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 869 [2021-06-06 11:20:12,366 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 1092 DAG size of output: 1006 [2021-06-06 11:20:15,646 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 4064 DAG size of output: 3803 [2021-06-06 11:20:16,145 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 717 [2021-06-06 11:20:17,033 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 625 [2021-06-06 11:20:17,288 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2021-06-06 11:20:18,110 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 531 [2021-06-06 11:20:18,243 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-06-06 11:20:19,193 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 506 [2021-06-06 11:20:19,441 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 698 [2021-06-06 11:20:19,853 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 884 [2021-06-06 11:20:20,523 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 1276 DAG size of output: 1171 [2021-06-06 11:20:21,792 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1328 [2021-06-06 11:20:23,004 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1599 DAG size of output: 1468 [2021-06-06 11:20:28,361 WARN L205 SmtUtils]: Spent 5.34 s on a formula simplification. DAG size of input: 5184 DAG size of output: 4845 [2021-06-06 11:20:28,705 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-06-06 11:20:28,904 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2021-06-06 11:20:29,036 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-06-06 11:20:29,488 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 355 [2021-06-06 11:20:30,539 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 854 [2021-06-06 11:20:30,884 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1075 DAG size of output: 996 [2021-06-06 11:20:31,789 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1137 [2021-06-06 11:20:33,136 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 1430 DAG size of output: 1302 [2021-06-06 11:20:40,418 WARN L205 SmtUtils]: Spent 7.27 s on a formula simplification. DAG size of input: 5872 DAG size of output: 5468 [2021-06-06 11:20:50,432 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 6988 DAG size of output: 6472 [2021-06-06 11:21:03,793 WARN L205 SmtUtils]: Spent 13.32 s on a formula simplification. DAG size of input: 7914 DAG size of output: 7335 [2021-06-06 11:21:04,556 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-06-06 11:21:04,676 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 277 [2021-06-06 11:21:05,271 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 438 [2021-06-06 11:21:05,482 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 486 [2021-06-06 11:21:06,061 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 823 DAG size of output: 823 [2021-06-06 11:21:06,474 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 714 [2021-06-06 11:21:07,199 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 430 [2021-06-06 11:21:07,495 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2021-06-06 11:21:07,711 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 553 [2021-06-06 11:21:08,362 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 453 [2021-06-06 11:21:09,416 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 489 [2021-06-06 11:21:09,656 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 668 [2021-06-06 11:21:10,400 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 895 [2021-06-06 11:21:11,019 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1084 [2021-06-06 11:21:12,274 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 1392 DAG size of output: 1234 [2021-06-06 11:21:13,472 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1613 DAG size of output: 1423 [2021-06-06 11:21:13,610 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 288 [2021-06-06 11:21:14,189 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 443 [2021-06-06 11:21:14,396 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 472 [2021-06-06 11:21:16,073 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1895 DAG size of output: 1634 [2021-06-06 11:21:18,295 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 2138 DAG size of output: 1848 [2021-06-06 11:21:36,339 WARN L205 SmtUtils]: Spent 18.02 s on a formula simplification. DAG size of input: 9090 DAG size of output: 8361 [2021-06-06 11:22:02,835 WARN L205 SmtUtils]: Spent 26.44 s on a formula simplification. DAG size of input: 10243 DAG size of output: 9512 [2021-06-06 11:22:29,456 WARN L205 SmtUtils]: Spent 26.55 s on a formula simplification. DAG size of input: 10243 DAG size of output: 9512 [2021-06-06 11:22:57,628 WARN L205 SmtUtils]: Spent 27.99 s on a formula simplification. DAG size of input: 10257 DAG size of output: 9526 [2021-06-06 11:23:58,302 WARN L205 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 9262 DAG size of output: 10937 [2021-06-06 11:24:25,084 WARN L205 SmtUtils]: Spent 26.68 s on a formula simplification. DAG size of input: 9249 DAG size of output: 9240 [2021-06-06 11:24:29,025 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 2905 DAG size of output: 2905 [2021-06-06 11:24:29,506 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 815 [2021-06-06 11:24:30,321 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 795 [2021-06-06 11:24:30,620 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 713 DAG size of output: 713 [2021-06-06 11:24:31,273 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 733 [2021-06-06 11:24:31,451 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 818 [2021-06-06 11:24:31,728 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 919 [2021-06-06 11:24:32,458 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 563 [2021-06-06 11:24:32,593 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 653 [2021-06-06 11:24:32,795 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 704 [2021-06-06 11:24:33,063 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 729 [2021-06-06 11:24:33,433 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 821 [2021-06-06 11:24:33,796 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 651 [2021-06-06 11:24:33,924 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2021-06-06 11:24:34,439 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 498 [2021-06-06 11:24:35,444 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 678 [2021-06-06 11:24:35,724 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 1083 [2021-06-06 11:24:36,156 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1338 [2021-06-06 11:24:36,780 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1591 [2021-06-06 11:24:37,718 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1921 [2021-06-06 11:24:39,572 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2943 [2021-06-06 11:24:42,151 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 3315 DAG size of output: 3266 [2021-06-06 11:24:42,916 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 678 [2021-06-06 11:24:43,111 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 758 [2021-06-06 11:24:43,374 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 876 [2021-06-06 11:24:43,729 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 993 DAG size of output: 987 [2021-06-06 11:24:47,093 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 3889 DAG size of output: 3825 [2021-06-06 11:24:49,990 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 2567 DAG size of output: 2567 [2021-06-06 11:24:50,564 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 819 [2021-06-06 11:24:50,758 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 617 [2021-06-06 11:24:50,885 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 542 [2021-06-06 11:24:52,646 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 919 DAG size of output: 856 [2021-06-06 11:24:53,033 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 1486 DAG size of output: 1397 [2021-06-06 11:24:53,854 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 1720 DAG size of output: 1605 [2021-06-06 11:24:54,671 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 2021 DAG size of output: 1867 [2021-06-06 11:24:55,245 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 520 [2021-06-06 11:24:55,563 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 641 [2021-06-06 11:24:56,845 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2416 DAG size of output: 2210 [2021-06-06 11:24:58,630 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 2748 DAG size of output: 2521 [2021-06-06 11:25:00,812 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 2251 DAG size of output: 2251 [2021-06-06 11:25:02,393 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1990 DAG size of output: 1990 [2021-06-06 11:25:03,516 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1771 DAG size of output: 1771 [2021-06-06 11:25:04,213 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 1435 [2021-06-06 11:25:05,103 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 1107 [2021-06-06 11:25:05,458 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 960 [2021-06-06 11:25:05,710 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 797 [2021-06-06 11:25:06,195 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 514 [2021-06-06 11:25:06,343 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 673 [2021-06-06 11:25:06,480 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 636 [2021-06-06 11:25:06,995 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 689 [2021-06-06 11:25:07,603 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 765 [2021-06-06 11:25:08,550 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1612 [2021-06-06 11:25:09,341 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 2233 DAG size of output: 1995 [2021-06-06 11:25:10,026 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 788 [2021-06-06 11:25:11,148 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 2826 DAG size of output: 2536 [2021-06-06 11:25:12,867 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 3437 DAG size of output: 3122 [2021-06-06 11:25:13,028 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 500 [2021-06-06 11:25:13,999 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 1005 [2021-06-06 11:25:14,267 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1204 DAG size of output: 1156 [2021-06-06 11:25:14,659 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1365 DAG size of output: 1315 [2021-06-06 11:25:15,217 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 1558 DAG size of output: 1507 [2021-06-06 11:25:15,329 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2021-06-06 11:25:15,727 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 443 [2021-06-06 11:25:15,941 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 524 [2021-06-06 11:25:16,106 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 511 [2021-06-06 11:25:16,733 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 783 [2021-06-06 11:25:16,990 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 960 [2021-06-06 11:25:17,469 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 1253 DAG size of output: 1125 [2021-06-06 11:25:17,991 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1237 [2021-06-06 11:25:18,809 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 1722 DAG size of output: 1552 [2021-06-06 11:25:22,502 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 5580 DAG size of output: 5071 [2021-06-06 11:25:22,988 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 693 [2021-06-06 11:25:23,435 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 633 [2021-06-06 11:25:23,609 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2021-06-06 11:25:24,108 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 468 [2021-06-06 11:25:24,307 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 474 [2021-06-06 11:25:25,019 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 1034 [2021-06-06 11:25:25,573 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1348 DAG size of output: 1200 [2021-06-06 11:25:26,159 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 1653 DAG size of output: 1465 [2021-06-06 11:25:27,058 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1721 [2021-06-06 11:25:28,360 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2022 DAG size of output: 1823 [2021-06-06 11:25:34,285 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 6953 DAG size of output: 6280 [2021-06-06 11:25:34,677 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 639 [2021-06-06 11:25:34,787 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2021-06-06 11:25:36,955 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1237 DAG size of output: 1168 [2021-06-06 11:25:37,442 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 1408 [2021-06-06 11:25:38,115 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 1760 DAG size of output: 1660 [2021-06-06 11:25:39,099 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1881 [2021-06-06 11:25:47,269 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 8094 DAG size of output: 7344 [2021-06-06 11:25:47,814 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 759 [2021-06-06 11:25:48,197 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 672 [2021-06-06 11:25:48,337 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-06-06 11:25:49,147 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 707 [2021-06-06 11:25:49,321 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 815 [2021-06-06 11:25:49,582 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 949 [2021-06-06 11:25:49,778 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 365 [2021-06-06 11:25:50,372 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 816 [2021-06-06 11:25:50,839 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1075 DAG size of output: 1042 [2021-06-06 11:25:51,177 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1205 [2021-06-06 11:25:51,750 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 588 [2021-06-06 11:25:52,328 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 1681 DAG size of output: 1639 [2021-06-06 11:25:53,339 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2278 [2021-06-06 11:25:54,752 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 2631 DAG size of output: 2586 [2021-06-06 11:25:56,666 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 2952 DAG size of output: 2906 [2021-06-06 11:26:08,189 WARN L205 SmtUtils]: Spent 11.49 s on a formula simplification. DAG size of input: 9684 DAG size of output: 8901 [2021-06-06 11:26:23,683 WARN L205 SmtUtils]: Spent 15.44 s on a formula simplification. DAG size of input: 11324 DAG size of output: 10377 [2021-06-06 11:26:45,321 WARN L205 SmtUtils]: Spent 21.57 s on a formula simplification. DAG size of input: 13265 DAG size of output: 12266 [2021-06-06 11:27:03,458 WARN L205 SmtUtils]: Spent 18.05 s on a formula simplification. DAG size of input: 8102 DAG size of output: 8093 [2021-06-06 11:27:33,637 WARN L205 SmtUtils]: Spent 30.11 s on a formula simplification. DAG size of input: 7126 DAG size of output: 8166 [2021-06-06 11:27:47,128 WARN L205 SmtUtils]: Spent 13.38 s on a formula simplification. DAG size of input: 7120 DAG size of output: 7112 [2021-06-06 11:27:57,241 WARN L205 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 6298 DAG size of output: 6291 [2021-06-06 11:28:04,531 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 5347 DAG size of output: 5341 [2021-06-06 11:28:05,337 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 1275 [2021-06-06 11:28:05,900 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 1119 [2021-06-06 11:28:06,258 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 995 DAG size of output: 983 [2021-06-06 11:28:06,481 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 850 [2021-06-06 11:28:08,040 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 689 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown