/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 00:54:10,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 00:54:10,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 00:54:10,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-20 00:54:10,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-02-20 00:54:10,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 00:54:10,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 00:54:10,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 00:54:10,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 00:54:10,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 00:54:10,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 00:54:10,632 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 00:54:10,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 00:54:10,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 00:54:10,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 00:54:10,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 00:54:10,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 00:54:10,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 00:54:10,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 00:54:10,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 00:54:10,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 00:54:10,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 00:54:10,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 00:54:10,635 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 00:54:10,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 00:54:10,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 00:54:10,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 00:54:10,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 00:54:10,877 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 00:54:10,878 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 00:54:10,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-02-20 00:54:10,879 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-02-20 00:54:10,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 00:54:10,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 00:54:10,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 00:54:10,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 00:54:10,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 00:54:10,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 00:54:10,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 00:54:10,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 00:54:10,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 00:54:10,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/1) ... [2021-02-20 00:54:10,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 00:54:10,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 00:54:10,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 00:54:10,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 00:54:10,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (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 [2021-02-20 00:54:10,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 00:54:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 00:54:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 00:54:10,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 00:54:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 00:54:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 00:54:10,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 00:54:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 00:54:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 00:54:10,989 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 00:54:11,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 00:54:11,107 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-20 00:54:11,108 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:54:11 BoogieIcfgContainer [2021-02-20 00:54:11,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 00:54:11,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 00:54:11,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 00:54:11,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 00:54:11,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:54:10" (1/2) ... [2021-02-20 00:54:11,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33da112e and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:54:11, skipping insertion in model container [2021-02-20 00:54:11,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:54:11" (2/2) ... [2021-02-20 00:54:11,113 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-02-20 00:54:11,116 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 00:54:11,117 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 00:54:11,135 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 00:54:11,136 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 00:54:11,172 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-02-20 00:54:11,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-20 00:54:11,224 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 00:54:11,225 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 00:54:11,225 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 00:54:11,225 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 00:54:11,225 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 00:54:11,225 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 00:54:11,225 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 00:54:11,225 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-20 00:54:11,301 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:11,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:11,305 INFO L82 PathProgramCache]: Analyzing trace with hash -282831259, now seen corresponding path program 1 times [2021-02-20 00:54:11,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:11,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297114645] [2021-02-20 00:54:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:11,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297114645] [2021-02-20 00:54:11,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:54:11,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-20 00:54:11,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285401054] [2021-02-20 00:54:11,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-20 00:54:11,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:11,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-20 00:54:11,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-20 00:54:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:11,425 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:11,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:54:11,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:11,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 00:54:11,478 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:11,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:11,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1529673955, now seen corresponding path program 1 times [2021-02-20 00:54:11,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:11,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128011290] [2021-02-20 00:54:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:11,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128011290] [2021-02-20 00:54:11,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845954504] [2021-02-20 00:54:11,570 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 [2021-02-20 00:54:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:11,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-20 00:54:11,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:11,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:11,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-02-20 00:54:11,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388260765] [2021-02-20 00:54:11,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-20 00:54:11,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:11,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-20 00:54:11,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-20 00:54:11,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:11,742 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:11,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) [2021-02-20 00:54:11,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:11,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:12,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:12,030 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:12,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1697418651, now seen corresponding path program 1 times [2021-02-20 00:54:12,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:12,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494291028] [2021-02-20 00:54:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:12,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494291028] [2021-02-20 00:54:12,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143476090] [2021-02-20 00:54:12,156 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 [2021-02-20 00:54:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:12,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-20 00:54:12,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:12,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:12,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-02-20 00:54:12,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:54:12,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:12,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:54:12,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-02-20 00:54:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:12,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:12,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-02-20 00:54:12,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570031303] [2021-02-20 00:54:12,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-20 00:54:12,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:12,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-20 00:54:12,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-20 00:54:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:12,382 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:12,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:54:12,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:12,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:12,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:12,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:12,631 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:12,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:12,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1263884829, now seen corresponding path program 2 times [2021-02-20 00:54:12,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:12,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660731406] [2021-02-20 00:54:12,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:12,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660731406] [2021-02-20 00:54:12,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620051371] [2021-02-20 00:54:12,700 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) [2021-02-20 00:54:12,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:54:12,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:12,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-20 00:54:12,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:12,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:12,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-02-20 00:54:12,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463304559] [2021-02-20 00:54:12,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-20 00:54:12,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:12,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-20 00:54:12,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-02-20 00:54:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:12,843 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:12,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 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) [2021-02-20 00:54:12,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:12,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:12,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:12,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:13,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:13,187 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:13,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1952850075, now seen corresponding path program 3 times [2021-02-20 00:54:13,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:13,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469334673] [2021-02-20 00:54:13,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:13,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469334673] [2021-02-20 00:54:13,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34927052] [2021-02-20 00:54:13,324 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) [2021-02-20 00:54:13,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-20 00:54:13,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:13,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-02-20 00:54:13,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:13,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:13,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:13,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 27 [2021-02-20 00:54:13,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-02-20 00:54:13,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:13,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-20 00:54:13,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:24 [2021-02-20 00:54:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:13,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:13,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-02-20 00:54:13,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164836186] [2021-02-20 00:54:13,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-20 00:54:13,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:13,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-20 00:54:13,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-02-20 00:54:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:13,725 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:13,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:54:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:14,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:14,081 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:14,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:14,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1153089311, now seen corresponding path program 4 times [2021-02-20 00:54:14,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:14,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442645365] [2021-02-20 00:54:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:14,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442645365] [2021-02-20 00:54:14,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784923188] [2021-02-20 00:54:14,161 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 [2021-02-20 00:54:14,184 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:54:14,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:14,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-02-20 00:54:14,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:14,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:14,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-02-20 00:54:14,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003792768] [2021-02-20 00:54:14,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-20 00:54:14,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:14,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-20 00:54:14,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-02-20 00:54:14,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:14,333 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:14,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 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) [2021-02-20 00:54:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:14,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:14,738 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:14,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:14,738 INFO L82 PathProgramCache]: Analyzing trace with hash 358198373, now seen corresponding path program 5 times [2021-02-20 00:54:14,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:14,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741730042] [2021-02-20 00:54:14,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:15,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741730042] [2021-02-20 00:54:15,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628477128] [2021-02-20 00:54:15,065 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 [2021-02-20 00:54:15,093 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-02-20 00:54:15,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:15,094 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-02-20 00:54:15,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:15,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:15,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:15,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:15,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:15,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-02-20 00:54:15,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:54:15,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:15,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:54:15,453 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-02-20 00:54:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:15,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:15,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-02-20 00:54:15,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933035938] [2021-02-20 00:54:15,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-20 00:54:15,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:15,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-20 00:54:15,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-02-20 00:54:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:15,483 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:15,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 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) [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:16,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-02-20 00:54:16,489 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:16,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:16,489 INFO L82 PathProgramCache]: Analyzing trace with hash 39947365, now seen corresponding path program 6 times [2021-02-20 00:54:16,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:16,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265365274] [2021-02-20 00:54:16,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:16,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265365274] [2021-02-20 00:54:16,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646064748] [2021-02-20 00:54:16,871 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 [2021-02-20 00:54:16,901 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-02-20 00:54:16,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:16,902 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-02-20 00:54:16,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:17,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:17,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:17,851 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:17,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-02-20 00:54:17,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-02-20 00:54:17,943 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-02-20 00:54:17,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-20 00:54:17,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-02-20 00:54:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:18,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:18,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-02-20 00:54:18,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779211314] [2021-02-20 00:54:18,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-20 00:54:18,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:18,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-20 00:54:18,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-02-20 00:54:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:18,019 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:18,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 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) [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:20,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-02-20 00:54:20,160 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:20,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:20,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1688059237, now seen corresponding path program 7 times [2021-02-20 00:54:20,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:20,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462819882] [2021-02-20 00:54:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:20,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462819882] [2021-02-20 00:54:20,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724256073] [2021-02-20 00:54:20,625 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 [2021-02-20 00:54:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:20,648 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-02-20 00:54:20,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:21,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:21,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:21,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:21,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-02-20 00:54:21,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:54:21,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:21,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:54:21,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-02-20 00:54:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:21,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:21,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-02-20 00:54:21,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664855455] [2021-02-20 00:54:21,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-02-20 00:54:21,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:21,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-02-20 00:54:21,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-02-20 00:54:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:21,250 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:21,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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) [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:22,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:22,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:22,869 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:22,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:22,869 INFO L82 PathProgramCache]: Analyzing trace with hash 2142076773, now seen corresponding path program 8 times [2021-02-20 00:54:22,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:22,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511858732] [2021-02-20 00:54:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:23,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511858732] [2021-02-20 00:54:23,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578094818] [2021-02-20 00:54:23,421 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 [2021-02-20 00:54:23,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:54:23,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:23,444 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-02-20 00:54:23,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:24,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:24,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:24,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-02-20 00:54:24,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:54:24,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:24,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:54:24,172 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-02-20 00:54:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:24,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:54:24,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-02-20 00:54:24,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663256334] [2021-02-20 00:54:24,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-20 00:54:24,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:54:24,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-20 00:54:24,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-02-20 00:54:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:24,206 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:54:24,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 states have internal predecessors, (77), 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) [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:24,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:54:26,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-02-20 00:54:26,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:54:26,250 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:54:26,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:54:26,251 INFO L82 PathProgramCache]: Analyzing trace with hash -392162715, now seen corresponding path program 9 times [2021-02-20 00:54:26,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:54:26,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550822246] [2021-02-20 00:54:26,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:54:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:54:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:54:26,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550822246] [2021-02-20 00:54:26,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441397162] [2021-02-20 00:54:26,908 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 [2021-02-20 00:54:26,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-02-20 00:54:26,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:54:26,935 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-02-20 00:54:26,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:54:33,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:33,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-20 00:54:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:54:33,575 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-02-20 00:54:33,577 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:54:33,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-02-20 00:54:35,126 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 530 [2021-02-20 00:54:35,250 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 675 [2021-02-20 00:54:35,384 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 707 [2021-02-20 00:54:37,277 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1083 [2021-02-20 00:54:37,590 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-02-20 00:54:37,894 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-02-20 00:54:38,210 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1548 [2021-02-20 00:54:38,538 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 1533 [2021-02-20 00:54:38,695 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 1093 [2021-02-20 00:54:38,936 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 905 [2021-02-20 00:54:39,084 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 898 [2021-02-20 00:54:39,228 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 839 [2021-02-20 00:54:41,451 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 3304 DAG size of output: 2750 [2021-02-20 00:54:41,956 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 3643 DAG size of output: 3108 [2021-02-20 00:54:42,568 WARN L202 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3430 [2021-02-20 00:54:43,445 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 1028 [2021-02-20 00:54:43,588 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1225 [2021-02-20 00:54:43,754 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1392 [2021-02-20 00:54:43,965 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1687 DAG size of output: 1594 [2021-02-20 00:54:44,855 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 5107 DAG size of output: 4480 [2021-02-20 00:54:45,655 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 717 [2021-02-20 00:54:46,165 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 1028 [2021-02-20 00:54:46,374 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1200 [2021-02-20 00:54:47,122 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1427 [2021-02-20 00:54:48,406 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 6251 DAG size of output: 5555 [2021-02-20 00:54:49,870 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6269 DAG size of output: 5573 [2021-02-20 00:54:50,153 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 958 [2021-02-20 00:54:50,425 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 1142 [2021-02-20 00:54:50,608 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 842 [2021-02-20 00:54:50,756 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 703 [2021-02-20 00:54:50,913 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 803 [2021-02-20 00:54:51,049 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 603 [2021-02-20 00:54:51,303 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 802 [2021-02-20 00:54:52,533 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1587 DAG size of output: 1528 [2021-02-20 00:54:52,885 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 2039 DAG size of output: 2006 [2021-02-20 00:54:53,341 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2289 [2021-02-20 00:54:53,897 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2596 [2021-02-20 00:54:54,041 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 595 [2021-02-20 00:54:56,037 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 994 DAG size of output: 979 [2021-02-20 00:54:58,040 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 742 [2021-02-20 00:54:58,296 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1239 [2021-02-20 00:54:58,767 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 2522 DAG size of output: 2461 [2021-02-20 00:54:59,539 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 2870 DAG size of output: 2831 [2021-02-20 00:55:00,368 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 3148 DAG size of output: 3120 [2021-02-20 00:55:01,849 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 4726 DAG size of output: 4684 [2021-02-20 00:55:02,092 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 658 [2021-02-20 00:55:04,619 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1388 [2021-02-20 00:55:04,895 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1987 DAG size of output: 1948 [2021-02-20 00:55:05,247 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 2293 DAG size of output: 2253 [2021-02-20 00:55:06,066 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 3243 DAG size of output: 3084 [2021-02-20 00:55:08,378 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 6769 DAG size of output: 6528 [2021-02-20 00:55:08,531 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 711 [2021-02-20 00:55:08,894 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2021-02-20 00:55:10,043 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 999 [2021-02-20 00:55:11,328 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 1006 [2021-02-20 00:55:12,207 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1430 [2021-02-20 00:55:12,606 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 2207 DAG size of output: 2121 [2021-02-20 00:55:13,682 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 877 [2021-02-20 00:55:14,216 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 2701 DAG size of output: 2588 [2021-02-20 00:55:15,178 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 3959 DAG size of output: 3562 [2021-02-20 00:55:18,585 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 10160 DAG size of output: 9467 [2021-02-20 00:55:22,367 WARN L202 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 10430 DAG size of output: 9744 [2021-02-20 00:55:27,961 WARN L202 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-02-20 00:55:33,555 WARN L202 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-02-20 00:55:39,277 WARN L202 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 15657 DAG size of output: 14308 [2021-02-20 00:55:43,785 WARN L202 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 14308 DAG size of output: 13917 [2021-02-20 00:55:46,303 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 5414 DAG size of output: 7882 [2021-02-20 00:55:48,383 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 4584 DAG size of output: 5931 [2021-02-20 00:55:50,282 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 4441 DAG size of output: 6515 [2021-02-20 00:55:51,974 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 3883 DAG size of output: 5838 [2021-02-20 00:55:53,311 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 3067 DAG size of output: 4145 [2021-02-20 00:55:53,891 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 2875 DAG size of output: 2857 [2021-02-20 00:55:54,053 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 940 [2021-02-20 00:55:55,884 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 940 [2021-02-20 00:55:56,377 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1386 DAG size of output: 1202 [2021-02-20 00:55:56,655 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1887 DAG size of output: 1606 [2021-02-20 00:55:57,034 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 2148 DAG size of output: 1886 [2021-02-20 00:55:57,481 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 2840 [2021-02-20 00:55:57,773 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 2090 [2021-02-20 00:55:57,949 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 1189 [2021-02-20 00:55:58,108 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 946 [2021-02-20 00:55:59,475 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1525 [2021-02-20 00:55:59,778 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1945 [2021-02-20 00:55:59,960 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 1520 [2021-02-20 00:56:00,073 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2021-02-20 00:56:02,573 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1817 DAG size of output: 1498 [2021-02-20 00:56:03,015 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 2416 DAG size of output: 2145 [2021-02-20 00:56:05,457 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1351 DAG size of output: 1208 [2021-02-20 00:56:05,991 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3586 [2021-02-20 00:56:06,855 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 5535 DAG size of output: 5044 [2021-02-20 00:56:07,172 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 1398 [2021-02-20 00:56:07,327 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 891 [2021-02-20 00:56:10,380 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 667 [2021-02-20 00:56:11,178 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1821 DAG size of output: 1702 [2021-02-20 00:56:11,556 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 2704 DAG size of output: 2539 [2021-02-20 00:56:12,088 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 3174 DAG size of output: 2934 [2021-02-20 00:56:13,566 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 8127 DAG size of output: 7385 [2021-02-20 00:56:15,573 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 8478 DAG size of output: 7727 [2021-02-20 00:56:18,288 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 10461 DAG size of output: 9717 [2021-02-20 00:56:21,888 WARN L202 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 13280 DAG size of output: 12288 [2021-02-20 00:56:26,604 WARN L202 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 16464 DAG size of output: 15458 [2021-02-20 00:56:32,540 WARN L202 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 19634 DAG size of output: 18616 [2021-02-20 00:56:40,030 WARN L202 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 23919 DAG size of output: 22472 [2021-02-20 00:56:45,916 WARN L202 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 9504 DAG size of output: 11647 [2021-02-20 00:56:48,685 WARN L202 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 9446 DAG size of output: 9446 [2021-02-20 00:56:49,548 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 2524 DAG size of output: 3186 [2021-02-20 00:56:50,251 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 972 DAG size of output: 951 [2021-02-20 00:56:51,872 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 685 [2021-02-20 00:56:52,864 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1255 [2021-02-20 00:56:54,050 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 5396 DAG size of output: 4973 [2021-02-20 00:56:55,406 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 748 [2021-02-20 00:56:55,640 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 1170 [2021-02-20 00:56:55,748 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 830 [2021-02-20 00:56:56,646 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 774 [2021-02-20 00:56:57,434 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1011 [2021-02-20 00:56:57,708 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2007 DAG size of output: 1914 [2021-02-20 00:56:58,133 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 2531 DAG size of output: 2441 [2021-02-20 00:56:58,748 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 713 [2021-02-20 00:56:58,869 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 643 [2021-02-20 00:57:00,769 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1295 [2021-02-20 00:57:01,089 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1522 [2021-02-20 00:57:02,316 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2021-02-20 00:57:03,040 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 1102 [2021-02-20 00:57:03,710 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 2429 DAG size of output: 2309 [2021-02-20 00:57:04,642 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 2996 DAG size of output: 4045 [2021-02-20 00:57:04,798 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 909 [2021-02-20 00:57:05,368 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 767 [2021-02-20 00:57:05,676 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1274 DAG size of output: 1236 [2021-02-20 00:57:05,883 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1652 [2021-02-20 00:57:06,001 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 991 [2021-02-20 00:57:08,067 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 968 [2021-02-20 00:57:08,244 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1488 DAG size of output: 1473 [2021-02-20 00:57:08,380 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 797 [2021-02-20 00:57:08,501 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 768 [2021-02-20 00:57:09,259 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1199 [2021-02-20 00:57:09,533 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1475 DAG size of output: 1391 [2021-02-20 00:57:10,855 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 6551 DAG size of output: 6162 [2021-02-20 00:57:12,338 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 3491 DAG size of output: 5289 [2021-02-20 00:57:14,908 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 1094 [2021-02-20 00:57:15,990 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 841 [2021-02-20 00:57:16,145 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 906 [2021-02-20 00:57:17,077 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2021-02-20 00:57:19,823 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 949 [2021-02-20 00:57:20,066 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 1295 [2021-02-20 00:57:20,321 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1655 DAG size of output: 1611 [2021-02-20 00:57:20,733 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 2226 [2021-02-20 00:57:20,918 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 1043 [2021-02-20 00:57:21,338 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 717 [2021-02-20 00:57:22,313 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1180 [2021-02-20 00:57:22,945 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1847 DAG size of output: 1731 [2021-02-20 00:57:23,277 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2331 DAG size of output: 2192 [2021-02-20 00:57:25,267 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 9561 DAG size of output: 8891 [2021-02-20 00:57:25,526 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 1044 [2021-02-20 00:57:25,639 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 717 [2021-02-20 00:57:26,626 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 940 [2021-02-20 00:57:26,808 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 823 [2021-02-20 00:57:27,861 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 718 [2021-02-20 00:57:29,220 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 947 [2021-02-20 00:57:29,478 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1457 [2021-02-20 00:57:29,639 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 718 [2021-02-20 00:57:31,464 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 861 [2021-02-20 00:57:31,668 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1207 [2021-02-20 00:57:32,164 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 2422 DAG size of output: 2384 [2021-02-20 00:57:33,294 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 3257 DAG size of output: 3232 [2021-02-20 00:57:34,165 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 3693 DAG size of output: 3672 [2021-02-20 00:57:42,494 WARN L202 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 26711 DAG size of output: 24900 [2021-02-20 00:57:54,138 WARN L202 SmtUtils]: Spent 11.49 s on a formula simplification. DAG size of input: 31609 DAG size of output: 29710 [2021-02-20 00:58:14,240 WARN L202 SmtUtils]: Spent 19.91 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-02-20 00:58:34,322 WARN L202 SmtUtils]: Spent 19.81 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-02-20 00:58:54,735 WARN L202 SmtUtils]: Spent 19.98 s on a formula simplification. DAG size of input: 52689 DAG size of output: 49419 [2021-02-20 00:59:32,257 WARN L202 SmtUtils]: Spent 37.15 s on a formula simplification. DAG size of input: 49421 DAG size of output: 69661 [2021-02-20 00:59:34,706 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 4322 DAG size of output: 6189 [2021-02-20 00:59:36,789 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 4300 DAG size of output: 6239 [2021-02-20 00:59:37,789 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 3741 DAG size of output: 3590 [2021-02-20 00:59:37,998 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 835 [2021-02-20 00:59:40,849 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1541 [2021-02-20 00:59:41,181 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 2258 DAG size of output: 2121 [2021-02-20 00:59:41,547 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 2606 DAG size of output: 2456 [2021-02-20 00:59:42,807 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 949 [2021-02-20 00:59:42,961 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1031 [2021-02-20 00:59:43,557 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 3505 DAG size of output: 3260 [2021-02-20 00:59:44,922 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 3576 DAG size of output: 5163 [2021-02-20 00:59:45,539 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 3312 DAG size of output: 3290 [2021-02-20 00:59:46,412 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 2603 DAG size of output: 3717 [2021-02-20 00:59:46,708 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2029 DAG size of output: 1909 [2021-02-20 00:59:46,861 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1366 [2021-02-20 00:59:47,123 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1607 [2021-02-20 00:59:48,582 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2399 DAG size of output: 2097 [2021-02-20 00:59:49,503 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 812 [2021-02-20 00:59:50,262 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1245 [2021-02-20 00:59:50,688 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3462 DAG size of output: 3083 [2021-02-20 00:59:50,950 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 1109 [2021-02-20 00:59:52,587 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1328 DAG size of output: 1253 [2021-02-20 00:59:53,405 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1869 [2021-02-20 00:59:53,735 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2275 DAG size of output: 2112 [2021-02-20 00:59:54,555 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4607 [2021-02-20 00:59:55,820 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 7095 DAG size of output: 6449 [2021-02-20 00:59:56,162 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 1361 [2021-02-20 00:59:56,310 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 846 [2021-02-20 00:59:57,077 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 650 [2021-02-20 00:59:58,324 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 1072 [2021-02-20 00:59:59,084 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 734 [2021-02-20 01:00:00,722 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 1027 [2021-02-20 01:00:00,917 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 1168 [2021-02-20 01:00:01,396 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 2823 DAG size of output: 2472 [2021-02-20 01:00:02,106 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 3525 DAG size of output: 3168 [2021-02-20 01:00:04,208 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 10054 DAG size of output: 9072 [2021-02-20 01:00:07,005 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 12240 DAG size of output: 10879 [2021-02-20 01:00:10,655 WARN L202 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 13019 DAG size of output: 11611 [2021-02-20 01:00:15,526 WARN L202 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 16139 DAG size of output: 14386 [2021-02-20 01:00:21,695 WARN L202 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 18006 DAG size of output: 16073 [2021-02-20 01:00:22,006 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 1030 [2021-02-20 01:00:23,098 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1437 [2021-02-20 01:00:24,698 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1308 [2021-02-20 01:00:27,686 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 1010 [2021-02-20 01:00:30,102 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1692 [2021-02-20 01:00:32,088 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 [2021-02-20 01:00:32,316 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1677 [2021-02-20 01:00:32,667 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 1193 [2021-02-20 01:00:34,588 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1646 [2021-02-20 01:00:35,432 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 922 [2021-02-20 01:00:35,587 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 988 [2021-02-20 01:00:37,758 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 1002 [2021-02-20 01:00:39,052 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1471 [2021-02-20 01:00:39,185 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 825 [2021-02-20 01:00:40,613 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1576 [2021-02-20 01:00:41,566 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 801 [2021-02-20 01:00:43,895 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 2868 DAG size of output: 2866 [2021-02-20 01:00:44,133 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 863 [2021-02-20 01:00:45,355 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 974 [2021-02-20 01:00:45,709 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2486 [2021-02-20 01:00:45,895 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 853 [2021-02-20 01:00:46,973 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 995 [2021-02-20 01:00:47,167 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1252 [2021-02-20 01:00:47,309 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 964 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown