/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:56:39,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:56:39,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:56:39,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 08:56:39,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 08:56:39,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 08:56:39,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 08:56:39,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 08:56:39,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 08:56:39,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 08:56:39,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 08:56:39,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-07-10 08:56:39,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 08:56:39,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 08:56:39,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 08:56:39,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:56:39,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:56:39,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:56:39,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:56:39,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:56:39,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:56:39,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:56:39,809 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:56:39,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:56:39,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:56:39,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:56:39,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:56:39,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:56:39,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:56:39,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:56:39,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:56:39,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:56:39,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:56:39,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:56:39,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:56:39,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:56:39,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:56:39,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:56:39,824 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:56:39,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:56:39,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:56:39,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:56:39,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:56:39,825 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:56:39,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:56:40,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:56:40,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:56:40,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:56:40,071 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:56:40,072 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:56:40,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-07-10 08:56:40,073 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-07-10 08:56:40,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:56:40,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:56:40,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:56:40,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:56:40,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:56:40,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:56:40,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:56:40,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:56:40,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:56:40,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... [2021-07-10 08:56:40,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:56:40,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:56:40,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:56:40,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:56:40,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:56:40,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:56:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:56:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:56:40,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:56:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:56:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:56:40,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:56:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:56:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:56:40,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 08:56:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 08:56:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 08:56:40,189 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:56:40,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:56:40,368 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 08:56:40,369 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:56:40 BoogieIcfgContainer [2021-07-10 08:56:40,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:56:40,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:56:40,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:56:40,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:56:40,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:56:40" (1/2) ... [2021-07-10 08:56:40,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f51d06 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:56:40, skipping insertion in model container [2021-07-10 08:56:40,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:56:40" (2/2) ... [2021-07-10 08:56:40,389 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-07-10 08:56:40,396 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:56:40,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:56:40,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:56:40,397 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:56:40,425 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 08:56:40,440 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 08:56:40,489 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:56:40,490 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:56:40,490 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:56:40,490 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:56:40,490 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:56:40,490 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:56:40,490 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:56:40,490 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:56:40,623 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:40,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:40,627 INFO L82 PathProgramCache]: Analyzing trace with hash 622738969, now seen corresponding path program 1 times [2021-07-10 08:56:40,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:40,632 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336382680] [2021-07-10 08:56:40,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:56:40,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:40,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336382680] [2021-07-10 08:56:40,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336382680] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:56:40,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 08:56:40,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 08:56:40,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682653954] [2021-07-10 08:56:40,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 08:56:40,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:40,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 08:56:40,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 08:56:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:40,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:40,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:40,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:40,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 08:56:40,788 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash 380636, now seen corresponding path program 1 times [2021-07-10 08:56:40,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:40,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889777877] [2021-07-10 08:56:40,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:40,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:40,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889777877] [2021-07-10 08:56:40,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889777877] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:40,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127239022] [2021-07-10 08:56:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:40,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 08:56:40,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:41,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 08:56:41,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:41,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:41,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:56:41,102 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-07-10 08:56:41,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-10 08:56:41,136 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:41,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:41,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-10 08:56:41,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:41,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:41,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:56:41,149 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-07-10 08:56:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:41,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127239022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:41,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:41,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-10 08:56:41,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865588741] [2021-07-10 08:56:41,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 08:56:41,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:41,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 08:56:41,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-10 08:56:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:41,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:41,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:41,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:41,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:41,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:41,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:41,477 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:41,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:41,478 INFO L82 PathProgramCache]: Analyzing trace with hash 123815455, now seen corresponding path program 2 times [2021-07-10 08:56:41,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:41,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600097530] [2021-07-10 08:56:41,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:41,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:41,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600097530] [2021-07-10 08:56:41,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600097530] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:41,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735953626] [2021-07-10 08:56:41,573 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:41,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:56:41,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:41,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 08:56:41,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:41,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-07-10 08:56:41,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:41,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:41,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:56:41,655 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-07-10 08:56:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:41,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735953626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:41,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:41,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-07-10 08:56:41,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355957023] [2021-07-10 08:56:41,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 08:56:41,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:41,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 08:56:41,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-10 08:56:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:41,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:41,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:41,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:41,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:41,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:42,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:42,101 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:42,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:42,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1505865480, now seen corresponding path program 3 times [2021-07-10 08:56:42,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:42,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378273827] [2021-07-10 08:56:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:42,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:42,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378273827] [2021-07-10 08:56:42,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378273827] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:42,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685860653] [2021-07-10 08:56:42,455 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:42,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 08:56:42,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:42,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-10 08:56:42,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:42,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-07-10 08:56:42,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:42,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:42,584 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:42,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2021-07-10 08:56:42,939 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:42,939 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2021-07-10 08:56:42,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:42,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:42,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:42,964 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:51, output treesize:37 [2021-07-10 08:56:43,072 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:43,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 51 [2021-07-10 08:56:43,253 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:43,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:43,290 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:43,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 42 [2021-07-10 08:56:43,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 08:56:43,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:43,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-10 08:56:43,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:41, output treesize:19 [2021-07-10 08:56:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:43,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685860653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:43,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:43,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 08:56:43,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333768009] [2021-07-10 08:56:43,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 08:56:43,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:43,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 08:56:43,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-10 08:56:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:43,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:43,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 16 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:43,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:43,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:43,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:43,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:43,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:43,773 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:43,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1917791883, now seen corresponding path program 4 times [2021-07-10 08:56:43,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:43,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587051280] [2021-07-10 08:56:43,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:43,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:43,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587051280] [2021-07-10 08:56:43,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587051280] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:43,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730169643] [2021-07-10 08:56:43,861 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:43,891 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:56:43,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:43,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 08:56:43,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:43,968 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:43,969 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2021-07-10 08:56:43,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:43,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:43,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:56:43,971 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-07-10 08:56:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:43,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730169643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:43,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:43,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-07-10 08:56:43,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598099124] [2021-07-10 08:56:43,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 08:56:43,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:43,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 08:56:43,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 08:56:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:43,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:43,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:43,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:43,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:43,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:44,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-07-10 08:56:44,617 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:44,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:44,617 INFO L82 PathProgramCache]: Analyzing trace with hash 365074036, now seen corresponding path program 5 times [2021-07-10 08:56:44,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:44,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148059714] [2021-07-10 08:56:44,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:44,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:44,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148059714] [2021-07-10 08:56:44,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148059714] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:44,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768865398] [2021-07-10 08:56:44,857 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:44,898 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 08:56:44,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:44,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-10 08:56:44,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:47,162 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:47,162 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 46 [2021-07-10 08:56:47,168 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:47,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:47,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:47,194 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:70, output treesize:63 [2021-07-10 08:56:47,660 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:47,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 53 [2021-07-10 08:56:47,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:47,668 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:47,669 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 45 [2021-07-10 08:56:47,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:47,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:47,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2021-07-10 08:56:47,714 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:157, output treesize:122 [2021-07-10 08:56:47,935 INFO L354 Elim1Store]: treesize reduction 22, result has 79.0 percent of original size [2021-07-10 08:56:47,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 113 [2021-07-10 08:56:49,448 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:49,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:49,540 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:49,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 31 treesize of output 132 [2021-07-10 08:56:49,808 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 162 [2021-07-10 08:56:50,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-10 08:56:50,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:50,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-10 08:56:50,868 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:59, output treesize:19 [2021-07-10 08:56:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:50,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768865398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:50,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:50,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 24 [2021-07-10 08:56:50,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21630868] [2021-07-10 08:56:50,907 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 08:56:50,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:50,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 08:56:50,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=537, Unknown=1, NotChecked=0, Total=600 [2021-07-10 08:56:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:50,908 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:50,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:56:51,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:51,494 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:51,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:51,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1204080183, now seen corresponding path program 6 times [2021-07-10 08:56:51,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:51,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269379850] [2021-07-10 08:56:51,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:51,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:51,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269379850] [2021-07-10 08:56:51,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269379850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:51,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110323586] [2021-07-10 08:56:51,586 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:51,626 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 08:56:51,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:51,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 08:56:51,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:51,743 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:51,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-07-10 08:56:51,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:51,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:51,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:56:51,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-07-10 08:56:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:51,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110323586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:51,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:51,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-07-10 08:56:51,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748103832] [2021-07-10 08:56:51,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 08:56:51,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:51,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 08:56:51,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-07-10 08:56:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:51,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:51,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:56:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:56:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:56:52,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1203,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:52,573 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:52,573 INFO L82 PathProgramCache]: Analyzing trace with hash -923482848, now seen corresponding path program 7 times [2021-07-10 08:56:52,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:52,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671896978] [2021-07-10 08:56:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:52,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:52,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671896978] [2021-07-10 08:56:52,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671896978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:52,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779937760] [2021-07-10 08:56:52,959 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:53,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-10 08:56:53,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:53,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:53,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 80 [2021-07-10 08:56:53,489 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:53,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:53,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:53,576 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:105, output treesize:102 [2021-07-10 08:56:56,474 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2021-07-10 08:56:56,505 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_8], 3=[v_prenex_12], 6=[produce]} [2021-07-10 08:56:56,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,514 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 54 [2021-07-10 08:56:56,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:56,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,561 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 54 [2021-07-10 08:56:56,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:56,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 70 [2021-07-10 08:56:56,617 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:56,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2021-07-10 08:56:56,663 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 15 variables, input treesize:288, output treesize:217 [2021-07-10 08:56:56,755 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-10 08:56:56,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 39 [2021-07-10 08:56:56,757 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-10 08:56:56,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,782 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 88 [2021-07-10 08:56:56,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:56:56,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:56:56,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:56:56,841 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-07-10 08:56:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:56,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779937760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:56,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:56,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 31 [2021-07-10 08:56:56,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190988081] [2021-07-10 08:56:56,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-10 08:56:56,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:56,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-10 08:56:56,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=913, Unknown=0, NotChecked=0, Total=992 [2021-07-10 08:56:56,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:56,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:56,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:56:56,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:56:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:56:57,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1206 [2021-07-10 08:56:57,670 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:57,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:57,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1829922083, now seen corresponding path program 8 times [2021-07-10 08:56:57,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:57,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586709458] [2021-07-10 08:56:57,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:56:57,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:57,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586709458] [2021-07-10 08:56:57,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586709458] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:57,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871726858] [2021-07-10 08:56:57,786 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:57,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:56:57,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:57,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 08:56:57,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:57:00,004 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:00,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-07-10 08:57:00,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:57:00,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:00,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:57:00,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-07-10 08:57:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:57:00,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871726858] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:57:00,032 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:57:00,032 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-07-10 08:57:00,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520310417] [2021-07-10 08:57:00,033 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 08:57:00,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:57:00,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 08:57:00,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=335, Unknown=1, NotChecked=0, Total=380 [2021-07-10 08:57:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:57:00,033 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:57:00,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.2) internal successors, (84), 19 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:57:00,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:57:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:57:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 08:57:01,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1429,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:57:01,039 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:57:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:57:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1418167540, now seen corresponding path program 9 times [2021-07-10 08:57:01,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:57:01,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572535935] [2021-07-10 08:57:01,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:57:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:57:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:57:01,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:57:01,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572535935] [2021-07-10 08:57:01,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572535935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:57:01,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503855477] [2021-07-10 08:57:01,538 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:57:01,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 08:57:01,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:57:01,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 08:57:01,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:57:02,419 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:02,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 122 [2021-07-10 08:57:02,762 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-10 08:57:02,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:03,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-07-10 08:57:03,091 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:154, output treesize:159 [2021-07-10 08:57:03,799 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-10 08:57:04,533 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-10 08:57:05,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-10 08:57:05,979 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-10 08:57:13,673 WARN L205 SmtUtils]: Spent 7.25 s on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-07-10 08:57:13,978 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:13,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 68 [2021-07-10 08:57:13,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:57:13,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:13,996 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 68 [2021-07-10 08:57:13,997 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:57:14,032 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:14,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 92 [2021-07-10 08:57:14,034 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 08:57:14,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:14,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 68 [2021-07-10 08:57:14,061 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 08:57:14,079 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:14,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 68 [2021-07-10 08:57:14,081 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 08:57:14,208 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-07-10 08:57:14,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:57:14,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 34 dim-0 vars, 1 dim-1 vars, End of recursive call: 25 dim-0 vars, and 5 xjuncts. [2021-07-10 08:57:14,280 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 35 variables, input treesize:706, output treesize:559 [2021-07-10 08:57:28,889 WARN L205 SmtUtils]: Spent 14.28 s on a formula simplification. DAG size of input: 227 DAG size of output: 183 [2021-07-10 08:57:29,416 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-07-10 08:57:29,417 INFO L354 Elim1Store]: treesize reduction 141, result has 55.4 percent of original size [2021-07-10 08:57:29,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 84 treesize of output 221 [2021-07-10 09:00:59,708 INFO L550 ElimStorePlain]: Start of recursive call 2: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2021-07-10 09:00:59,858 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-07-10 09:00:59,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:01:00,025 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-07-10 09:01:00,026 INFO L354 Elim1Store]: treesize reduction 154, result has 51.3 percent of original size [2021-07-10 09:01:00,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 106 treesize of output 214 [2021-07-10 09:01:32,509 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-07-10 09:01:32,755 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2021-07-10 09:01:32,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:01:32,929 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-07-10 09:01:32,930 INFO L354 Elim1Store]: treesize reduction 153, result has 51.6 percent of original size [2021-07-10 09:01:32,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 95 treesize of output 212 [2021-07-10 09:02:55,361 INFO L550 ElimStorePlain]: Start of recursive call 4: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-07-10 09:02:55,672 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2021-07-10 09:02:55,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:02:55,846 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-07-10 09:02:55,851 INFO L354 Elim1Store]: treesize reduction 166, result has 47.5 percent of original size [2021-07-10 09:02:55,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 106 treesize of output 202 [2021-07-10 09:03:12,797 INFO L550 ElimStorePlain]: Start of recursive call 5: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-07-10 09:03:13,195 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2021-07-10 09:03:13,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:03:13,199 INFO L446 ElimStorePlain]: Different costs {56=[v_prenex_49, consume, v_prenex_43], 72=[v_prenex_46]} [2021-07-10 09:03:13,591 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2021-07-10 09:03:13,592 INFO L354 Elim1Store]: treesize reduction 24, result has 92.5 percent of original size [2021-07-10 09:03:13,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 47 treesize of output 321 [2021-07-10 09:03:13,996 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2021-07-10 09:03:14,517 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 212 [2021-07-10 09:03:14,891 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 414 [2021-07-10 09:03:15,360 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 301 [2021-07-10 09:03:16,007 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 512 [2021-07-10 09:03:16,652 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 512 [2021-07-10 09:03:17,412 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 537 [2021-07-10 09:03:18,806 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 541 DAG size of output: 732 [2021-07-10 09:03:20,270 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 538 DAG size of output: 818 [2021-07-10 09:03:21,404 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 464 DAG size of output: 657 [2021-07-10 09:03:22,503 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 452 DAG size of output: 709 [2021-07-10 09:03:23,304 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 660 [2021-07-10 09:03:23,548 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 333 [2021-07-10 09:03:24,199 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 332 [2021-07-10 09:03:24,879 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 419 [2021-07-10 09:03:25,365 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 429 [2021-07-10 09:03:25,862 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 196 [2021-07-10 09:03:26,016 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 208 [2021-07-10 09:03:26,997 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 350 [2021-07-10 09:03:27,293 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 361 [2021-07-10 09:03:28,480 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 570 DAG size of output: 702 [2021-07-10 09:03:29,661 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 437 [2021-07-10 09:03:30,111 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2021-07-10 09:03:31,332 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 450 DAG size of output: 580 [2021-07-10 09:03:32,573 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 469 DAG size of output: 602 [2021-07-10 09:03:33,089 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 220 [2021-07-10 09:03:33,787 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 341 [2021-07-10 09:03:34,219 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-07-10 09:03:35,275 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 451 DAG size of output: 524 [2021-07-10 09:03:36,360 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 470 DAG size of output: 546 [2021-07-10 09:03:36,856 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 200 [2021-07-10 09:03:37,772 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 287 [2021-07-10 09:03:38,399 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 311 [2021-07-10 09:03:42,230 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 792 DAG size of output: 1074 [2021-07-10 09:03:48,321 WARN L205 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 1188 DAG size of output: 1588 [2021-07-10 09:03:49,672 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2021-07-10 09:03:50,108 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 293 [2021-07-10 09:03:50,561 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 314 [2021-07-10 09:03:51,166 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 183 [2021-07-10 09:03:51,453 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 208 [2021-07-10 09:03:51,754 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 229 [2021-07-10 09:03:52,821 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2021-07-10 09:03:53,030 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 269 [2021-07-10 09:03:53,575 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 328 [2021-07-10 09:03:54,081 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 349 [2021-07-10 09:03:55,746 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 458 DAG size of output: 542 [2021-07-10 09:04:05,364 WARN L205 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 1558 DAG size of output: 2030 [2021-07-10 09:04:06,031 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2021-07-10 09:04:06,498 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 172 [2021-07-10 09:04:07,001 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 362 [2021-07-10 09:04:07,539 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 383 [2021-07-10 09:04:07,981 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 09:04:08,387 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 191 [2021-07-10 09:04:08,886 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 287 [2021-07-10 09:04:09,401 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 308 [2021-07-10 09:04:10,008 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 191 [2021-07-10 09:04:10,246 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 212 [2021-07-10 09:04:11,882 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 560 DAG size of output: 634 [2021-07-10 09:04:12,661 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 187 [2021-07-10 09:04:13,646 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 293 [2021-07-10 09:04:14,364 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 315 [2021-07-10 09:04:15,281 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 338 [2021-07-10 09:04:15,581 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 197 [2021-07-10 09:04:15,829 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 172 [2021-07-10 09:04:16,099 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 300 [2021-07-10 09:04:17,072 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 569 [2021-07-10 09:04:18,074 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 591 [2021-07-10 09:04:18,584 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 255 [2021-07-10 09:04:18,887 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 206 [2021-07-10 09:04:19,533 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 421 [2021-07-10 09:04:20,181 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 445 [2021-07-10 09:04:23,293 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 784 DAG size of output: 1029 [2021-07-10 09:04:23,870 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 210 [2021-07-10 09:04:24,042 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 221 [2021-07-10 09:04:25,247 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 378 [2021-07-10 09:04:25,610 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 388 [2021-07-10 09:04:26,192 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 285 [2021-07-10 09:04:26,418 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 297 [2021-07-10 09:04:27,409 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 701 [2021-07-10 09:04:32,538 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 1231 DAG size of output: 1554 [2021-07-10 09:04:41,110 WARN L205 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 1689 DAG size of output: 2089 [2021-07-10 09:05:03,040 WARN L205 SmtUtils]: Spent 21.92 s on a formula simplification. DAG size of input: 2950 DAG size of output: 3611 [2021-07-10 09:05:03,941 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 672 [2021-07-10 09:05:04,547 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 524 [2021-07-10 09:05:05,291 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 298 [2021-07-10 09:05:06,050 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 491 [2021-07-10 09:05:06,245 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 349 [2021-07-10 09:05:06,852 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 322 [2021-07-10 09:05:07,281 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 291 [2021-07-10 09:05:08,193 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 569 [2021-07-10 09:05:08,526 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 253 [2021-07-10 09:05:09,258 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 431 [2021-07-10 09:05:10,594 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 746 DAG size of output: 837 [2021-07-10 09:05:12,756 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1103 DAG size of output: 1200 [2021-07-10 09:05:12,967 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 271 [2021-07-10 09:05:13,478 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 298 [2021-07-10 09:05:14,229 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 491 [2021-07-10 09:05:14,416 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 349 [2021-07-10 09:05:15,043 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 322 [2021-07-10 09:05:15,446 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 291 [2021-07-10 09:05:16,344 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 569 [2021-07-10 09:05:16,673 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 253 [2021-07-10 09:05:17,393 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 431 [2021-07-10 09:05:18,709 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 746 DAG size of output: 837 [2021-07-10 09:05:20,861 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1100 DAG size of output: 1197 [2021-07-10 09:05:22,164 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 321 [2021-07-10 09:05:22,367 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 339 [2021-07-10 09:05:22,633 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 349 [2021-07-10 09:05:23,114 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 211 [2021-07-10 09:05:23,381 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 217 [2021-07-10 09:05:23,691 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 412 [2021-07-10 09:05:24,517 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 350 [2021-07-10 09:05:25,449 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 751 [2021-07-10 09:05:25,739 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 344 [2021-07-10 09:05:26,234 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 246 [2021-07-10 09:05:26,674 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 235 [2021-07-10 09:05:27,164 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 533 [2021-07-10 09:05:29,006 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 866 DAG size of output: 934 [2021-07-10 09:05:31,804 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1164 [2021-07-10 09:05:40,260 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 1896 DAG size of output: 2231 [2021-07-10 09:05:41,102 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 259 [2021-07-10 09:05:41,734 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 367 [2021-07-10 09:05:42,443 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 540 [2021-07-10 09:05:42,668 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 269 [2021-07-10 09:05:42,797 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 248 [2021-07-10 09:05:43,163 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2021-07-10 09:05:43,511 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-07-10 09:05:43,922 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 455 [2021-07-10 09:05:44,471 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 183 [2021-07-10 09:05:44,768 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 172 [2021-07-10 09:05:45,216 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 315 [2021-07-10 09:05:46,844 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 616 DAG size of output: 687 [2021-07-10 09:05:47,291 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 263 [2021-07-10 09:05:47,752 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 229 [2021-07-10 09:05:48,015 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 186 [2021-07-10 09:05:48,636 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 512 [2021-07-10 09:05:51,523 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 929 DAG size of output: 1048 [2021-07-10 09:05:56,108 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 1302 DAG size of output: 1428 [2021-07-10 09:06:12,293 WARN L205 SmtUtils]: Spent 16.18 s on a formula simplification. DAG size of input: 3008 DAG size of output: 3449 [2021-07-10 09:06:12,805 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 500 [2021-07-10 09:06:13,615 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 191 [2021-07-10 09:06:14,200 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 151 [2021-07-10 09:06:14,401 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 177 [2021-07-10 09:06:14,959 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 193 [2021-07-10 09:06:15,215 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 219 [2021-07-10 09:06:15,874 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 292 [2021-07-10 09:06:16,907 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 357 DAG size of output: 419 [2021-07-10 09:06:17,635 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 283 [2021-07-10 09:06:18,308 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 256 [2021-07-10 09:06:18,845 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 450 [2021-07-10 09:06:20,875 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 735 DAG size of output: 820 [2021-07-10 09:06:21,189 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 398 [2021-07-10 09:06:21,335 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 213 [2021-07-10 09:06:21,474 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 227 [2021-07-10 09:06:21,652 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 283 [2021-07-10 09:06:22,543 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 336 [2021-07-10 09:06:23,166 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 278 [2021-07-10 09:06:23,777 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 653 [2021-07-10 09:06:24,652 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 368 [2021-07-10 09:06:25,709 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 856 DAG size of output: 864 [2021-07-10 09:06:26,618 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 285 [2021-07-10 09:06:28,299 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1032 DAG size of output: 1061 [2021-07-10 09:06:28,584 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 227 [2021-07-10 09:06:28,758 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 283 [2021-07-10 09:06:29,644 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 336 [2021-07-10 09:06:30,239 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 278 [2021-07-10 09:06:30,845 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 653 [2021-07-10 09:06:31,707 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 368 [2021-07-10 09:06:32,763 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 856 DAG size of output: 864 [2021-07-10 09:06:33,683 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 285 [2021-07-10 09:06:35,450 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1063 DAG size of output: 1098 [2021-07-10 09:06:35,739 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 336 [2021-07-10 09:06:37,356 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2021-07-10 09:06:37,523 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2021-07-10 09:06:37,935 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 362 [2021-07-10 09:06:38,547 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 555 [2021-07-10 09:06:40,253 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 247 [2021-07-10 09:06:40,543 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 309 [2021-07-10 09:06:41,111 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 506 [2021-07-10 09:06:42,673 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 900 DAG size of output: 902 [2021-07-10 09:06:48,509 WARN L205 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 1767 DAG size of output: 1967 [2021-07-10 09:06:58,199 WARN L205 SmtUtils]: Spent 9.68 s on a formula simplification. DAG size of input: 2446 DAG size of output: 2691 [2021-07-10 09:07:50,792 WARN L205 SmtUtils]: Spent 52.57 s on a formula simplification. DAG size of input: 7616 DAG size of output: 8726 [2021-07-10 09:07:52,343 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 305 [2021-07-10 09:07:52,977 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 286 [2021-07-10 09:07:53,531 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 454 [2021-07-10 09:07:54,521 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 518 [2021-07-10 09:07:55,546 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 527 DAG size of output: 542 [2021-07-10 09:07:56,849 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 272 [2021-07-10 09:07:57,371 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 367 [2021-07-10 09:07:58,040 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 283 [2021-07-10 09:07:58,255 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 309 [2021-07-10 09:07:58,882 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 275 [2021-07-10 09:07:59,095 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 304 [2021-07-10 09:07:59,685 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 477 [2021-07-10 09:08:02,179 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1051 DAG size of output: 1053 [2021-07-10 09:08:02,639 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2021-07-10 09:08:03,250 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2021-07-10 09:08:03,605 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 182 [2021-07-10 09:08:04,089 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 358 [2021-07-10 09:08:05,515 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 202 [2021-07-10 09:08:05,865 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 321 [2021-07-10 09:08:06,551 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2021-07-10 09:08:07,360 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 590 [2021-07-10 09:08:09,058 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 794 DAG size of output: 764 [2021-07-10 09:08:11,239 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 840 DAG size of output: 808 [2021-07-10 09:08:12,386 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 225 [2021-07-10 09:08:12,984 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 227 [2021-07-10 09:08:13,257 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 299 [2021-07-10 09:08:13,974 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 256 [2021-07-10 09:08:14,785 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-10 09:08:15,950 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 566 DAG size of output: 571 [2021-07-10 09:08:17,285 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 612 DAG size of output: 616 [2021-07-10 09:08:24,411 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1884 [2021-07-10 09:08:25,141 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 316 [2021-07-10 09:08:25,433 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 398 [2021-07-10 09:08:26,066 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 549 [2021-07-10 09:08:26,678 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 286 [2021-07-10 09:08:27,021 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 209 [2021-07-10 09:08:27,660 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 441 [2021-07-10 09:08:28,241 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 391 [2021-07-10 09:08:28,834 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 501 [2021-07-10 09:08:30,344 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 597 DAG size of output: 681 [2021-07-10 09:08:30,937 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 251 [2021-07-10 09:08:31,468 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 288 [2021-07-10 09:08:32,200 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 485 [2021-07-10 09:08:35,566 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 1131 DAG size of output: 1273 [2021-07-10 09:08:36,220 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 227 [2021-07-10 09:08:36,419 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 240 [2021-07-10 09:08:36,839 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 242 [2021-07-10 09:08:36,996 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 255 [2021-07-10 09:08:37,685 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 456 [2021-07-10 09:08:38,229 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 209 [2021-07-10 09:08:38,367 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 222 [2021-07-10 09:08:38,805 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 346 [2021-07-10 09:08:40,329 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 575 DAG size of output: 706 [2021-07-10 09:08:40,462 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 260 [2021-07-10 09:08:40,950 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 194 [2021-07-10 09:08:41,359 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 288 [2021-07-10 09:08:41,937 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 238 [2021-07-10 09:08:42,770 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 456 [2021-07-10 09:08:43,638 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 477 [2021-07-10 09:08:44,244 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2021-07-10 09:08:44,380 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2021-07-10 09:08:45,154 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 370 [2021-07-10 09:08:46,016 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 330 [2021-07-10 09:08:46,335 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 341 [2021-07-10 09:08:47,665 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 557 DAG size of output: 614 [2021-07-10 09:08:50,528 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 868 DAG size of output: 938 [2021-07-10 09:08:51,171 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 262 [2021-07-10 09:08:51,879 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 290 [2021-07-10 09:08:52,684 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 511 [2021-07-10 09:08:53,367 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 314 [2021-07-10 09:08:54,112 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 281 [2021-07-10 09:08:55,025 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 558 [2021-07-10 09:08:57,298 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 660 DAG size of output: 912 [2021-07-10 09:08:59,624 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 685 DAG size of output: 938 [2021-07-10 09:09:08,036 WARN L205 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 1606 DAG size of output: 2005 [2021-07-10 09:09:08,155 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 207 [2021-07-10 09:09:08,944 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 318 [2021-07-10 09:09:09,497 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 238 [2021-07-10 09:09:09,656 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 257 [2021-07-10 09:09:10,429 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 500 [2021-07-10 09:09:11,903 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 592 DAG size of output: 631 [2021-07-10 09:09:12,403 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 249 [2021-07-10 09:09:12,631 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 287 [2021-07-10 09:09:13,504 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 315 [2021-07-10 09:09:14,042 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 321 [2021-07-10 09:09:14,814 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 455 [2021-07-10 09:09:15,861 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 654 DAG size of output: 709 [2021-07-10 09:09:18,934 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 1195 DAG size of output: 1321 [2021-07-10 09:09:35,276 WARN L205 SmtUtils]: Spent 16.33 s on a formula simplification. DAG size of input: 3450 DAG size of output: 4011 [2021-07-10 09:09:35,953 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 532 [2021-07-10 09:09:36,900 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 343 [2021-07-10 09:09:37,347 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-07-10 09:09:37,900 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 530 [2021-07-10 09:09:39,019 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 427 [2021-07-10 09:09:39,838 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 379 [2021-07-10 09:09:40,629 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 714 [2021-07-10 09:09:41,436 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 728 [2021-07-10 09:09:41,890 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 244 [2021-07-10 09:09:42,510 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 353 [2021-07-10 09:09:42,912 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 178 [2021-07-10 09:09:43,531 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 512 [2021-07-10 09:09:44,176 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 527 [2021-07-10 09:09:46,720 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1106 DAG size of output: 1340 [2021-07-10 09:09:47,210 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 529 [2021-07-10 09:09:47,516 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 228 [2021-07-10 09:09:47,870 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 229 [2021-07-10 09:09:48,618 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 450 [2021-07-10 09:09:48,929 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 397 [2021-07-10 09:09:49,187 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 358 [2021-07-10 09:09:49,621 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 230 [2021-07-10 09:09:50,004 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 209 [2021-07-10 09:09:50,459 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 534 [2021-07-10 09:09:50,998 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 275 [2021-07-10 09:09:51,276 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 239 [2021-07-10 09:09:51,672 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 472 [2021-07-10 09:09:53,380 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 740 DAG size of output: 905 [2021-07-10 09:09:56,370 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 1150 DAG size of output: 1341 [2021-07-10 09:09:56,490 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 202 [2021-07-10 09:09:56,871 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 205 [2021-07-10 09:09:57,607 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-10 09:09:58,066 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 360 [2021-07-10 09:09:58,641 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 544 [2021-07-10 09:09:59,017 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 225 [2021-07-10 09:09:59,992 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 292 [2021-07-10 09:10:00,381 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 491 [2021-07-10 09:10:01,742 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 795 DAG size of output: 951 [2021-07-10 09:10:09,770 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 2642 DAG size of output: 3169 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown