/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 04:44:14,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 04:44:14,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 04:44:14,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 04:44:14,473 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-NewStatesSleep-NoLbe.epf [2021-07-14 04:44:14,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 04:44:14,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 04:44:14,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 04:44:14,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 04:44:14,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 04:44:14,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 04:44:14,513 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 04:44:14,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 04:44:14,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 04:44:14,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 04:44:14,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 04:44:14,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 04:44:14,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 04:44:14,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 04:44:14,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 04:44:14,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 04:44:14,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 04:44:14,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:44:14,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 04:44:14,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 04:44:14,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 04:44:14,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 04:44:14,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 04:44:14,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 04:44:14,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 04:44:14,817 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 04:44:14,819 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 04:44:14,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2021-07-14 04:44:14,819 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2021-07-14 04:44:14,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 04:44:14,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 04:44:14,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 04:44:14,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 04:44:14,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 04:44:14,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 04:44:14,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 04:44:14,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 04:44:14,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 04:44:14,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... [2021-07-14 04:44:14,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 04:44:14,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 04:44:14,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 04:44:14,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 04:44:14,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:44:14,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 04:44:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 04:44:14,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 04:44:14,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 04:44:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 04:44:14,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 04:44:14,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 04:44:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 04:44:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 04:44:14,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 04:44:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 04:44:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 04:44:14,947 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 04:44:15,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 04:44:15,193 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 04:44:15,194 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:44:15 BoogieIcfgContainer [2021-07-14 04:44:15,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 04:44:15,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 04:44:15,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 04:44:15,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 04:44:15,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:44:14" (1/2) ... [2021-07-14 04:44:15,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c56be6 and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:44:15, skipping insertion in model container [2021-07-14 04:44:15,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:44:15" (2/2) ... [2021-07-14 04:44:15,201 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2021-07-14 04:44:15,206 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 04:44:15,206 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 04:44:15,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 04:44:15,207 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 04:44:15,236 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 04:44:15,256 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 [2021-07-14 04:44:15,314 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 04:44:15,314 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 04:44:15,314 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 04:44:15,314 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 04:44:15,314 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 04:44:15,314 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 04:44:15,315 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 04:44:15,315 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 04:44:15,364 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:15,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:15,368 INFO L82 PathProgramCache]: Analyzing trace with hash -2121696184, now seen corresponding path program 1 times [2021-07-14 04:44:15,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:15,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707339757] [2021-07-14 04:44:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:15,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:15,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707339757] [2021-07-14 04:44:15,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707339757] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:44:15,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:44:15,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 04:44:15,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763330162] [2021-07-14 04:44:15,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 04:44:15,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:15,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 04:44:15,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 04:44:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:15,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:15,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:15,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 04:44:15,713 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:15,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:15,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1338925798, now seen corresponding path program 1 times [2021-07-14 04:44:15,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:15,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572460347] [2021-07-14 04:44:15,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:15,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:15,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572460347] [2021-07-14 04:44:15,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572460347] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:15,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776452412] [2021-07-14 04:44:15,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:15,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 04:44:15,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:16,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776452412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:16,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:16,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 04:44:16,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187335030] [2021-07-14 04:44:16,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 04:44:16,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:16,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 04:44:16,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-07-14 04:44:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:16,062 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:16,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:16,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:16,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:16,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:16,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:16,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:16,452 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:16,453 INFO L82 PathProgramCache]: Analyzing trace with hash 842215812, now seen corresponding path program 1 times [2021-07-14 04:44:16,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:16,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741435703] [2021-07-14 04:44:16,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:16,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:16,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741435703] [2021-07-14 04:44:16,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741435703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:16,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378107809] [2021-07-14 04:44:16,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:16,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 04:44:16,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:16,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378107809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:16,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:16,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-14 04:44:16,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860573070] [2021-07-14 04:44:16,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 04:44:16,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:16,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 04:44:16,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-14 04:44:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:16,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:16,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 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) [2021-07-14 04:44:16,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:17,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:17,137 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:17,138 INFO L82 PathProgramCache]: Analyzing trace with hash -263743198, now seen corresponding path program 2 times [2021-07-14 04:44:17,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:17,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494856706] [2021-07-14 04:44:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:17,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:17,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494856706] [2021-07-14 04:44:17,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494856706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:17,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940894944] [2021-07-14 04:44:17,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:17,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:44:17,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:17,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 04:44:17,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:17,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940894944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:17,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:17,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 04:44:17,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170240552] [2021-07-14 04:44:17,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 04:44:17,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:17,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 04:44:17,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-14 04:44:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:17,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:17,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:17,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:17,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:17,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:17,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:17,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:17,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:17,875 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:17,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:17,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1724397376, now seen corresponding path program 3 times [2021-07-14 04:44:17,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:17,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286081389] [2021-07-14 04:44:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:18,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:18,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286081389] [2021-07-14 04:44:18,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286081389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:18,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888329084] [2021-07-14 04:44:18,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:18,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 04:44:18,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:18,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 04:44:18,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:18,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888329084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:18,524 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:18,524 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 04:44:18,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603495033] [2021-07-14 04:44:18,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 04:44:18,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:18,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 04:44:18,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-07-14 04:44:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:18,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:18,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:18,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:18,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:18,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:18,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:18,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:18,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 04:44:18,853 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash -512544418, now seen corresponding path program 4 times [2021-07-14 04:44:18,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:18,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992150249] [2021-07-14 04:44:18,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:18,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:18,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992150249] [2021-07-14 04:44:18,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992150249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:18,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211961251] [2021-07-14 04:44:18,929 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:18,974 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:44:18,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:18,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 04:44:18,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:19,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211961251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:19,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:19,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-14 04:44:19,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825505213] [2021-07-14 04:44:19,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 04:44:19,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:19,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 04:44:19,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-07-14 04:44:19,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:19,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:19,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:19,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:19,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:19,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:19,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:19,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:19,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:19,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:19,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:19,824 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:19,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:19,824 INFO L82 PathProgramCache]: Analyzing trace with hash -304201220, now seen corresponding path program 5 times [2021-07-14 04:44:19,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:19,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584182170] [2021-07-14 04:44:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:20,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:20,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584182170] [2021-07-14 04:44:20,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584182170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:20,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928384584] [2021-07-14 04:44:20,101 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:20,138 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 04:44:20,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:20,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 04:44:20,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:20,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928384584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:20,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:20,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-14 04:44:20,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510293371] [2021-07-14 04:44:20,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 04:44:20,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:20,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 04:44:20,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-07-14 04:44:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:20,628 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:20,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:20,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:20,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:20,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:20,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:20,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:20,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:20,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:21,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:21,031 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:21,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:21,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1658334106, now seen corresponding path program 6 times [2021-07-14 04:44:21,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:21,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248900308] [2021-07-14 04:44:21,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:21,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:21,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248900308] [2021-07-14 04:44:21,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248900308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:21,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907257370] [2021-07-14 04:44:21,152 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:21,183 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 04:44:21,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:21,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 04:44:21,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:21,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907257370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:21,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:21,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-07-14 04:44:21,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969877366] [2021-07-14 04:44:21,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 04:44:21,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:21,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 04:44:21,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-07-14 04:44:21,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:21,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:21,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.857142857142857) internal successors, (60), 21 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:22,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 04:44:22,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 04:44:22,233 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:22,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1444045512, now seen corresponding path program 7 times [2021-07-14 04:44:22,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:22,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039470951] [2021-07-14 04:44:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:22,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:22,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039470951] [2021-07-14 04:44:22,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039470951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:22,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130899218] [2021-07-14 04:44:22,717 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:22,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 04:44:22,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:23,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130899218] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:23,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:23,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-14 04:44:23,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697976758] [2021-07-14 04:44:23,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 04:44:23,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:23,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 04:44:23,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-07-14 04:44:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:23,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:23,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:23,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:23,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 04:44:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 04:44:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:44:24,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:24,021 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:24,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:24,021 INFO L82 PathProgramCache]: Analyzing trace with hash -696416298, now seen corresponding path program 8 times [2021-07-14 04:44:24,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:24,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103782052] [2021-07-14 04:44:24,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:24,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:24,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103782052] [2021-07-14 04:44:24,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103782052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:24,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432357008] [2021-07-14 04:44:24,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:24,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:44:24,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 04:44:24,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:24,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432357008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:24,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:44:24,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-14 04:44:24,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491386242] [2021-07-14 04:44:24,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 04:44:24,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:44:24,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 04:44:24,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-07-14 04:44:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:24,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:44:24,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:44:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:24,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:24,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 04:44:24,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:44:24,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 04:44:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:44:25,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 04:44:25,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-14 04:44:25,432 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:44:25,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:44:25,433 INFO L82 PathProgramCache]: Analyzing trace with hash -911418764, now seen corresponding path program 9 times [2021-07-14 04:44:25,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:44:25,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404057157] [2021-07-14 04:44:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:44:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:44:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:44:26,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:44:26,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404057157] [2021-07-14 04:44:26,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404057157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:44:26,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374831340] [2021-07-14 04:44:26,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:44:26,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 04:44:26,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:44:26,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 04:44:26,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:44:27,255 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-07-14 04:44:27,568 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 04:44:28,136 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-07-14 04:44:28,624 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-14 04:44:28,986 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-07-14 04:44:29,549 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-07-14 04:44:29,942 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-14 04:44:30,349 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_9], 10=[v_prenex_8], 30=[v_prenex_6, v_prenex_7], 39=[A, v_prenex_10]} [2021-07-14 04:44:30,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 04:44:30,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:44:30,741 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2021-07-14 04:44:30,741 INFO L628 ElimStorePlain]: treesize reduction 226, result has 65.2 percent of original size [2021-07-14 04:44:30,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_8 vanished before elimination [2021-07-14 04:44:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:44:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:44:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:44:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:44:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:44:30,990 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 90 [2021-07-14 04:44:30,990 INFO L354 Elim1Store]: treesize reduction 66, result has 72.2 percent of original size [2021-07-14 04:44:30,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 25 case distinctions, treesize of input 49 treesize of output 189 [2021-07-14 04:44:31,281 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2021-07-14 04:44:31,862 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2021-07-14 04:46:01,385 WARN L205 SmtUtils]: Spent 1.49 m on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2021-07-14 04:46:10,913 WARN L205 SmtUtils]: Spent 9.53 s on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2021-07-14 04:46:11,367 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 114 [2021-07-14 04:46:11,659 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 118 [2021-07-14 04:46:12,225 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-07-14 04:46:12,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:46:12,664 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 115 [2021-07-14 04:46:12,664 INFO L628 ElimStorePlain]: treesize reduction 375, result has 51.4 percent of original size [2021-07-14 04:46:12,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:12,899 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2021-07-14 04:46:12,900 INFO L354 Elim1Store]: treesize reduction 54, result has 74.9 percent of original size [2021-07-14 04:46:12,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 49 treesize of output 179 [2021-07-14 04:46:13,483 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 137 [2021-07-14 04:46:14,003 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 130 [2021-07-14 04:46:14,420 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 130 [2021-07-14 04:46:14,742 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-07-14 04:46:14,885 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 04:46:15,237 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 106 [2021-07-14 04:46:15,237 INFO L628 ElimStorePlain]: treesize reduction 300, result has 54.9 percent of original size [2021-07-14 04:46:15,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:46:15,486 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-14 04:46:15,486 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:46:15,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 58 treesize of output 310 [2021-07-14 04:46:15,977 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 228 [2021-07-14 04:46:16,145 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 179 [2021-07-14 04:46:16,640 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2021-07-14 04:46:16,850 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 285 [2021-07-14 04:46:17,517 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 222 [2021-07-14 04:46:17,702 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 253 [2021-07-14 04:46:17,905 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 282 [2021-07-14 04:46:18,189 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 338 [2021-07-14 04:46:18,801 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 537 [2021-07-14 04:46:19,448 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 537 [2021-07-14 04:46:20,121 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 514 [2021-07-14 04:46:20,478 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 384 [2021-07-14 04:46:20,638 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 279 [2021-07-14 04:46:21,782 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 287 [2021-07-14 04:46:22,045 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 392 [2021-07-14 04:46:22,417 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 442 [2021-07-14 04:46:23,345 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 541 [2021-07-14 04:46:23,527 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 259 [2021-07-14 04:46:23,754 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 273 [2021-07-14 04:46:24,475 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 271 [2021-07-14 04:46:24,705 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 312 [2021-07-14 04:46:25,114 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 393 [2021-07-14 04:46:25,648 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 435 [2021-07-14 04:46:26,936 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1005 DAG size of output: 839 [2021-07-14 04:46:27,400 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 387 [2021-07-14 04:46:28,114 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 230 [2021-07-14 04:46:28,338 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-07-14 04:46:28,555 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 337 [2021-07-14 04:46:29,009 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2021-07-14 04:46:29,293 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 204 [2021-07-14 04:46:30,969 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 233 DAG size of output: 215 [2021-07-14 04:46:33,578 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 558 DAG size of output: 460 [2021-07-14 04:47:43,702 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 647 DAG size of output: 533 [2021-07-14 04:54:25,527 WARN L205 SmtUtils]: Spent 6.70 m on a formula simplification. DAG size of input: 1505 DAG size of output: 1238 [2021-07-14 04:54:42,451 WARN L205 SmtUtils]: Spent 16.92 s on a formula simplification. DAG size of input: 1505 DAG size of output: 1236 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown